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Introduction

A repository to keep track of problem solving practice, containing solutions from platforms:

Contents

# Title Solution Tags Submitted
1052 B - Space Harbour C++17 (GCC 9-64) data structures implementation math sortings *2100 Feb/03/2024 19:13
1051 C - MEX Repetition C++17 (GCC 9-64) implementation math *1100 Sep/06/2023 14:37
1050 F - Pudding Monsters C++17 (GCC 9-64) data structures divide and conquer *3000 Jun/26/2022 03:34
1049 G - Gastronomic Event C++20 (GCC 11-64) dp greedy trees Apr/24/2022 09:15
1048 I - Ice Cream Shop C++17 (GCC 9-64) brute force implementation sortings Apr/24/2022 08:54
1047 F - Antennas C++17 (GCC 9-64) data structures dfs and similar graphs graphs implementation implementation shortest paths shortest paths Apr/24/2022 08:35
1046 D - Evolution of Weasels C++17 (GCC 9-64) greedy implementation strings Apr/24/2022 07:55
1045 M - Bottle Arrangements C++20 (GCC 11-64) constructive algorithms Apr/24/2022 07:47
1044 H - Boundary C++20 (GCC 11-64) brute force math Apr/24/2022 07:40
1043 A - Organizing SWERC C++17 (GCC 9-64) brute force implementation Apr/24/2022 07:11
1042 G - Kuroni and Antihype C++17 (GCC 9-64) bitmasks brute force dp dsu graphs *3500 Mar/17/2022 11:17
1041 C - Mike and Foam C++17 (GCC 9-64) bitmasks combinatorics dp math number theory *2300 Mar/12/2022 09:07
1040 D - Birthday C++17 (GCC 9-64) data structures dfs and similar dp trees *2700 Mar/12/2022 08:36
1039 E - Little Elephant and Strings C++17 (GCC 9-64) data structures implementation string suffix structures two pointers *2800 Mar/10/2022 14:59
1038 F - Xor-Paths C++17 (GCC 9-64) bitmasks brute force dp meet-in-the-middle *2100 Mar/10/2022 14:20
1037 D - Nearest Excluded Points C++17 (GCC 9-64) binary search data structures dfs and similar graphs shortest paths *1900 Mar/10/2022 10:48
1036 C - Fault-tolerant Network C++17 (GCC 9-64) brute force data structures implementation *1500 Mar/10/2022 10:14
1035 B - Prove Him Wrong C++17 (GCC 9-64) constructive algorithms greedy *800 Mar/10/2022 09:46
1034 A - Playoff C++17 (GCC 9-64) implementation *800 Mar/10/2022 09:37
1033 E - Cycling City C++17 (GCC 9-64) dfs and similar graphs *3100 Mar/09/2022 16:07
1032 D - Boboniu and Jianghu C++17 (GCC 9-64) dp greedy sortings trees *2800 Mar/02/2022 14:27
1031 G - Tree Modification C++17 (GCC 9-64) brute force constructive algorithms dfs and similar graph matchings graphs trees *2800 Mar/02/2022 12:02
1030 E - Alex and Complicated Task C++17 (GCC 7-32) data structures dp greedy *2300 Feb/26/2022 14:53
1029 F - Paper task C++17 (GCC 7-32) data structures string suffix structures strings *2600 Feb/23/2022 12:18
1028 I - Fake News (hard) C++17 (GCC 7-32) string suffix structures *2300 Feb/23/2022 11:15
1027 F - Forbidden Indices C++17 (GCC 7-32) dsu string suffix structures strings *2400 Feb/23/2022 10:59
1026 D - Repetitions Decoding C++17 (GCC 7-32) constructive algorithms sortings *2000 Feb/23/2022 06:39
1025 C - Great Sequence C++17 (GCC 7-32) greedy sortings *1200 Feb/23/2022 05:35
1024 B - Power Walking C++17 (GCC 7-32) greedy *900 Feb/23/2022 05:26
1023 A - Hard Way C++17 (GCC 7-32) geometry *800 Feb/23/2022 05:20
1022 G - Game On Tree C++17 (GCC 7-32) data structures dfs and similar greedy trees *2700 Feb/21/2022 14:32
1021 C - Digit Tree C++17 (GCC 7-32) dfs and similar divide and conquer dsu trees *2700 Feb/21/2022 10:51
1020 B2 - Village (Maximum) C++17 (GCC 7-32) *special problem dfs and similar trees *2500 Feb/21/2022 08:26
1019 E - Palindromes in a Tree C++17 (GCC 7-32) bitmasks data structures divide and conquer trees *2400 Feb/19/2022 05:45
1018 D - String C++17 (GCC 7-32) string suffix structures *2300 Feb/17/2022 15:52
1017 G - Yet Another LCP Problem C++17 (GCC 7-32) data structures string suffix structures *2600 Feb/16/2022 15:08
1016 D - Prefixes and Suffixes C++17 (GCC 7-32) dp string suffix structures strings two pointers *2000 Feb/16/2022 09:15
1015 E - Common ancestor C++17 (GCC 7-32) dp *2300 Feb/14/2022 04:42
1014 C - Trees of Tranquillity C++17 (GCC 7-32) data structures dfs and similar greedy trees *2300 Feb/14/2022 03:45
1013 D - Eels C++17 (GCC 7-32) data structures *2800 Feb/14/2022 02:57
1012 F - Cards C++17 (GCC 7-32) combinatorics dp math number theory probabilities *2600 Feb/13/2022 03:54
1011 G - Partitions C++17 (GCC 7-32) combinatorics math number theory *2700 Feb/12/2022 15:33
1010 E - Team Work C++17 (GCC 7-32) combinatorics dp math *2400 Feb/12/2022 15:10
1009 C - Sky Full of Stars C++17 (GCC 7-32) combinatorics math *2500 Feb/12/2022 13:32
1008 E - Xenia and Tree C++17 (GCC 7-32) data structures divide and conquer trees *2400 Feb/12/2022 05:27
1007 E - Close Vertices C++17 (GCC 7-32) data structures divide and conquer trees *2700 Feb/12/2022 04:19
1006 C - Ciel the Commander C++17 (GCC 7-32) constructive algorithms dfs and similar divide and conquer greedy trees *2100 Feb/11/2022 14:38
1005 B - Legacy C++17 (GCC 7-32) data structures graphs shortest paths *2300 Feb/05/2022 15:26
1004 D - Catowice City C++17 (GCC 7-32) 2-sat dfs and similar graph matchings graphs *2400 Jan/06/2022 14:24
1003 C - Optimal Insertion C++17 (GCC 7-32) data structures divide and conquer dp greedy sortings *2300 Jan/04/2022 13:09
1002 D - The Winter Hike C++17 (GCC 7-32) constructive algorithms greedy math *2100 Jan/04/2022 09:20
1001 B - Integers Shop C++17 (GCC 7-32) data structures greedy implementation *1500 Jan/03/2022 11:20
1000 C - Hidden Permutations C++17 (GCC 7-32) dfs and similar interactive math *1700 Jan/03/2022 11:10
999 A - Stable Arrangement of Rooks C++17 (GCC 7-32) constructive algorithms *800 Jan/03/2022 09:40
998 F - Progress Monitoring C++17 (GCC 7-32) dp trees *2300 Dec/22/2021 15:55
997 E - Brackets in Implications C++17 (GCC 7-32) constructive algorithms greedy implementation math *2200 Dec/22/2021 14:28
996 C - Graph Cutting C++17 (GCC 7-32) constructive algorithms dfs and similar graphs *2300 Dec/15/2021 16:45
995 E - Transmitting Levels C++17 (GCC 7-32) dp implementation *2400 Dec/15/2021 15:36
994 D - Yet Another Sorting Problem C++17 (GCC 7-32) constructive algorithms data structures math sortings *1900 Dec/12/2021 11:40
993 C - Minimize Distance C++17 (GCC 7-32) greedy math *1300 Dec/12/2021 10:54
992 B - Array Eversion C++17 (GCC 7-32) greedy *900 Dec/12/2021 10:34
991 A - Life of a Flower C++17 (GCC 7-32) implementation *800 Dec/12/2021 10:19
990 D - Legen... C++17 (GCC 7-32) data structures dp matrices strings *2500 Dec/06/2021 15:06
989 C - Sasha and Array C++17 (GCC 7-32) data structures math matrices *2300 Dec/06/2021 14:14
988 E - Mike and Friends C++17 (GCC 7-32) data structures string suffix structures strings trees *2800 Dec/06/2021 10:32
987 D - Beautiful Pairs of Numbers C++17 (GCC 7-32) combinatorics dp *2300 Dec/03/2021 10:58
986 C - Molly's Chemicals C++17 (GCC 7-32) binary search brute force data structures implementation math *1800 Dec/03/2021 09:47
985 E - Lomsat gelral C++17 (GCC 7-32) data structures dfs and similar dsu trees *2300 Dec/03/2021 06:50
984 D - Good Substrings C++17 (GCC 7-32) data structures strings *1800 Dec/03/2021 04:02
983 D - Distance in Tree C++17 (GCC 7-32) dfs and similar dp trees *1800 Dec/03/2021 03:26
982 D - MEX Sequences C++17 (GCC 7-32) dp math *1900 Dec/01/2021 12:13
981 C - Poisoned Dagger C++17 (GCC 7-32) binary search *1200 Dec/01/2021 10:07
980 A - Long Comparison C++17 (GCC 7-32) implementation math *900 Dec/01/2021 10:00
979 B - Absent Remainder C++17 (GCC 7-32) greedy implementation sortings *1000 Dec/01/2021 09:48
978 D - Tree and Queries C++17 (GCC 7-32) data structures dfs and similar trees *2400 Nov/29/2021 10:25
977 F - Cookies C++17 (GCC 7-32) binary search data structures dfs and similar dp games trees *2400 Nov/29/2021 09:36
976 B - Kalindrome Array C++17 (GCC 7-32) greedy two pointers *1100 Nov/23/2021 10:46
975 A - Anti Light's Cell Guessing C++17 (GCC 7-32) math *900 Nov/23/2021 09:38
974 E - Messages C++17 (GCC 7-32) brute force dp greedy probabilities sortings *2000 Nov/22/2021 06:29
973 C - Chat Ban C++17 (GCC 7-32) binary search math *1300 Nov/22/2021 05:06
972 B - Special Permutation C++17 (GCC 7-32) constructive algorithms greedy *900 Nov/22/2021 04:50
971 A - Distance C++17 (GCC 7-32) brute force constructive algorithms *800 Nov/22/2021 04:39
970 E - Devu and Birthday Celebration C++17 (GCC 7-32) combinatorics dp math *2100 Nov/19/2021 06:44
969 I - Dating C++17 (GCC 7-32) brute force dfs and similar graphs trees *2300 Nov/19/2021 06:03
968 E - Ciel and Gondolas C++17 (GCC 7-32) data structures divide and conquer dp *2600 Nov/15/2021 11:18
967 B - Reverse Sort C++17 (GCC 7-32) greedy sortings *1000 Nov/12/2021 10:09
966 D - Tree Queries C++17 (GCC 7-32) data structures probabilities trees *2700 Nov/10/2021 13:41
965 E - Points on Plane C++17 (GCC 7-32) constructive algorithms *2100 Nov/05/2021 15:24
964 D - Mission Impassable C++17 (GCC 7-32) dp strings *2600 Nov/02/2021 13:53
963 E - Egor in the Republic of Dagestan C++17 (GCC 7-32) constructive algorithms dfs and similar dp graphs greedy shortest paths *2500 Oct/31/2021 14:37
962 D - Moderate Modular Mode C++17 (GCC 7-32) math number theory *1600 Oct/30/2021 11:40
961 C - Di-visible Confusion C++17 (GCC 7-32) brute force greedy math number theory *1300 Oct/30/2021 11:01
960 B - XOR Specia-LIS-t C++17 (GCC 7-32) *1100 Oct/30/2021 10:48
959 A - Era C++17 (GCC 7-32) greedy *800 Oct/30/2021 10:44
958 E - Product Oriented Recurrence C++17 (GCC 7-32) dp math matrices number theory *2300 Oct/30/2021 06:10
957 E - Erase Subsequences C++17 (GCC 7-32) dp strings *2200 Oct/30/2021 04:17
956 E - Xor-sequences C++17 (GCC 7-32) matrices *1900 Oct/30/2021 04:16
955 D - Discrete Centrifugal Jumps C++17 (GCC 7-32) data structures dp graphs *2200 Oct/30/2021 03:51
954 F - Permutation C++17 (GCC 7-32) data structures divide and conquer hashing *2700 Oct/29/2021 16:45
953 D - Choosing Subtree is Fun C++17 (GCC 7-32) binary search data structures dfs and similar trees two pointers *2600 Oct/25/2021 11:44
952 E - Ehab and a component choosing problem C++17 (GCC 7-32) dp greedy math trees *2400 Oct/23/2021 15:59
951 G - Almost Increasing Array C++17 (GCC 7-32) data structures dp *2500 Oct/22/2021 15:19
950 C - Artem and Array C++17 (GCC 7-32) data structures greedy *2500 Oct/22/2021 12:40
949 E - Darth Vader and Tree C++17 (GCC 7-32) dp matrices *2200 Oct/22/2021 12:38
948 F - Nearest Leaf C++17 (GCC 7-32) data structures trees *2600 Oct/18/2021 13:51
947 F - DFS C++17 (GCC 7-32) data structures trees *2700 Oct/17/2021 15:13
946 E - Company C++17 (GCC 7-32) binary search data structures dfs and similar greedy trees *2300 Oct/17/2021 13:37
945 E - Alphabet Permutations C++17 (GCC 7-32) data structures strings *2500 Oct/16/2021 15:15
944 E - Bombs C++17 (GCC 7-32) data structures two pointers *2400 Oct/16/2021 08:01
943 F2 - Chess Strikes Back (hard version) C++17 (GCC 7-32) data structures divide and conquer *2800 Oct/15/2021 08:50
942 D - Maximum Xor Secondary C++17 (GCC 7-32) two pointers *1800 Oct/15/2021 05:14
941 B - The Bakery C++17 (GCC 7-32) binary search data structures divide and conquer dp two pointers *2200 Oct/13/2021 15:33
940 E - Two Permutations C++17 (GCC 7-32) data structures hashing strings *2700 Oct/13/2021 14:41
939 D - Power Tree C++17 (GCC 7-32) data structures trees *2600 Oct/13/2021 14:12
938 E - Lucky Arrays C++17 (GCC 7-32) data structures *2400 Oct/13/2021 10:39
937 C - Goodbye Souvenir C++17 (GCC 7-32) data structures divide and conquer *2600 Oct/10/2021 11:00
936 G - Queue C++17 (GCC 7-32) data structures *2300 Oct/10/2021 08:58
935 E - Lucky Queries C++17 (GCC 7-32) data structures *2400 Oct/08/2021 14:14
934 E - Linear Kingdom Races C++17 (GCC 7-32) data structures dp *2400 Oct/08/2021 07:56
933 D - Powerful array C++17 (GCC 7-32) data structures implementation math two pointers *2200 Oct/07/2021 15:55
932 D - Bash and a Tough Math Puzzle C++17 (GCC 7-32) data structures number theory *1900 Oct/06/2021 11:43
931 A - Portal C++17 (GCC 7-32) brute force data structures dp greedy implementation *1700 Oct/06/2021 04:14
930 D - Developing Game C++17 (GCC 7-32) data structures *2400 Oct/03/2021 08:46
929 G - Yash And Trees C++17 (GCC 7-32) bitmasks data structures dfs and similar math number theory *2800 Sep/30/2021 16:30
928 D - The Child and Sequence C++17 (GCC 7-32) data structures math *2300 Sep/26/2021 10:29
927 C - DZY Loves Fibonacci Numbers C++17 (GCC 7-32) data structures math number theory *2400 Sep/26/2021 04:36
926 C - DZY Loves Colors C++17 (GCC 7-32) data structures *2400 Sep/23/2021 07:52
925 E - Little Artem and Time Machine C++17 (GCC 7-32) data structures *2000 Sep/22/2021 16:37
924 B - Combinatorics Homework C++17 (GCC 7-32) combinatorics greedy math *1100 Sep/22/2021 07:56
923 A - Regular Bracket Sequences C++17 (GCC 7-32) constructive algorithms *800 Sep/20/2021 10:41
922 E - GukiZ and GukiZiana C++17 (GCC 7-32) binary search data structures implementation *2500 Sep/18/2021 15:24
921 E - Sign on Fence C++14 (GCC 6-32) binary search constructive algorithms data structures *2500 Sep/18/2021 07:19
920 D - Serega and Fun C++14 (GCC 6-32) data structures *2700 Sep/15/2021 13:03
919 C - Subset Sums C++14 (GCC 6-32) brute force data structures *2500 Sep/15/2021 10:01
918 C - Arpa’s overnight party and Mehrdad’s silent entering C++17 (GCC 7-32) constructive algorithms dfs and similar graphs *2600 Sep/10/2021 13:56
917 E - Holes GNU C++11 data structures dsu *2700 Aug/06/2021 10:10
916 D - Little Elephant and Array GNU C++11 data structures *1800 Aug/06/2021 09:47
915 E - New Year and Old Subsequence GNU C++11 data structures divide and conquer dp matrices *2600 Aug/02/2021 08:27
914 C - Web of Lies C++17 (GCC 7-32) graphs greedy *1400 Aug/01/2021 10:58
913 B - Gregor and the Pawn Game C++17 (GCC 7-32) dfs and similar dp flows graph matchings graphs greedy implementation *800 Aug/01/2021 10:45
912 A - Gregor and Cryptography C++17 (GCC 7-32) math number theory *800 Aug/01/2021 10:38
911 F - TorCoder GNU C++11 data structures *2600 Jul/31/2021 14:59
910 A - Cherry C++17 (GCC 7-32) greedy *800 Jul/29/2021 10:46
909 E - New Year Tree GNU C++11 bitmasks data structures trees *2100 Jul/25/2021 15:11
908 D - Array Differentiation C++17 (GCC 9-64) bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800 Jul/25/2021 12:48
907 B - Running for Gold C++17 (GCC 9-64) combinatorics graphs greedy sortings *1500 Jul/25/2021 11:31
906 A - Subsequence Permutation C++17 (GCC 7-32) sortings strings *800 Jul/25/2021 10:37
905 D - Babaei and Birthday Cake GNU C++11 data structures dp *2000 Jul/25/2021 09:56
904 D - Yaroslav and Divisors GNU C++11 data structures *2200 Jul/24/2021 11:55
903 E - Valera and Queries GNU C++11 binary search data structures *2200 Jul/24/2021 10:52
902 D - Water Tree GNU C++11 data structures dfs and similar graphs trees *2100 Jul/24/2021 09:12
901 E - Little Girl and Problem on Trees GNU C++11 data structures graphs trees *2100 Jul/24/2021 08:43
900 D - Xenia and Bit Operations GNU C++11 data structures trees *1700 Jul/20/2021 08:52
899 B - A Lot of Games GNU C++11 dfs and similar dp games implementation strings trees *1900 Jul/12/2021 06:14
898 E - Jeremy Bearimy GNU C++11 dfs and similar graphs greedy implementation trees *2000 Jul/10/2021 15:43
897 D - Bags and Coins GNU C++11 bitmasks constructive algorithms dp greedy *2700 Jul/08/2021 15:06
896 B - Obsessive String GNU C++11 dp strings *2000 Jul/06/2021 17:22
895 E - Martian Strings GNU C++11 string suffix structures strings *2300 Jul/06/2021 16:27
894 A - Thor GNU C++11 brute force data structures implementation *1600 Jun/24/2021 10:03
893 B - Kavi on Pairing Duty C++17 (GCC 7-32) combinatorics dp math *1700 May/24/2021 11:12
892 A - Parsa's Humongous Tree C++17 (GCC 7-32) dfs and similar divide and conquer dp greedy trees *1600 May/24/2021 10:43
891 B1 - Palindrome Game (easy version) C++17 (GCC 7-32) constructive algorithms games *1200 May/20/2021 12:20
890 B2 - Palindrome Game (hard version) C++17 (GCC 7-32) constructive algorithms games *1900 May/20/2021 12:19
889 C - Sequence Pair Weight C++17 (GCC 7-32) hashing implementation math *1600 May/20/2021 10:50
888 A - And Then There Were K C++17 (GCC 7-32) bitmasks *800 May/20/2021 10:36
887 E - Phoenix and Computers C++17 (GCC 7-32) combinatorics dp math *2200 May/02/2021 14:56
886 D - Phoenix and Socks C++17 (GCC 7-32) greedy sortings two pointers *1500 May/02/2021 12:34
885 C - Phoenix and Towers C++17 (GCC 7-32) constructive algorithms data structures greedy *1400 May/02/2021 11:10
884 B - Phoenix and Puzzle C++17 (GCC 7-32) brute force geometry math number theory *1000 May/02/2021 10:53
883 A - Phoenix and Gold C++17 (GCC 7-32) constructive algorithms greedy math *800 May/02/2021 10:39
882 D - Little Girl and Maximum XOR C++17 (GCC 7-32) bitmasks dp greedy implementation math *1700 May/02/2021 01:42
881 D - Kingdom and its Cities C++17 (GCC 7-32) dfs and similar divide and conquer dp graphs sortings trees *2800 Apr/23/2021 02:00
880 E - Ralph and Mushrooms C++17 (GCC 7-32) dp graphs *2100 Apr/22/2021 08:00
879 E - Case of Computer Network C++17 (GCC 7-32) dfs and similar graphs trees *2800 Apr/12/2021 07:12
878 C - Duff in the Army C++17 (GCC 7-32) data structures trees *2200 Apr/12/2021 03:08
877 E - Periodical Numbers C++17 (GCC 7-32) combinatorics dp number theory *2100 Mar/21/2021 07:04
876 E - Sum of Remainders C++17 (GCC 7-32) implementation math number theory *2200 Mar/19/2021 08:25
875 D - Two chandeliers C++17 (GCC 7-32) binary search brute force chinese remainder theorem math *2200 Mar/18/2021 04:20
874 C - Going Home C++17 (GCC 7-32) brute force implementation math *1800 Mar/13/2021 05:06
873 B - Napoleon Cake C++17 (GCC 7-32) dp implementation sortings *900 Mar/13/2021 04:32
872 A - Alexey and Train C++17 (GCC 7-32) implementation *800 Mar/13/2021 04:23
871 B - Arpa and a list of numbers C++17 (GCC 7-32) implementation number theory *2100 Mar/11/2021 07:25
870 D - GCD of an Array C++17 (GCC 7-32) brute force data structures hashing implementation math number theory sortings two pointers *2100 Mar/06/2021 10:31
869 B - Planet Lapituletti C++17 (GCC 7-32) brute force implementation *1300 Mar/06/2021 09:43
868 A - Anti-knapsack C++17 (GCC 7-32) constructive algorithms greedy *800 Mar/06/2021 09:24
867 C - Maximum width C++17 (GCC 7-32) binary search data structures dp greedy two pointers *1500 Feb/23/2021 04:32
866 B - Card Deck C++17 (GCC 7-32) data structures greedy math *1100 Feb/23/2021 04:18
865 A - Three swimmers C++17 (GCC 7-32) math *800 Feb/23/2021 04:08
864 C - Fetch the Treasure C++17 (GCC 7-32) brute force data structures graphs shortest paths *2500 Feb/19/2021 10:17
863 D - AB Graph C++17 (GCC 7-32) brute force constructive algorithms graphs greedy implementation *2000 Feb/05/2021 11:27
862 C - Fence Painting C++17 (GCC 7-32) brute force constructive algorithms greedy *1600 Feb/05/2021 10:23
861 B - New Colony C++17 (GCC 7-32) brute force greedy implementation *1100 Feb/05/2021 10:00
860 A - Space Navigation C++17 (GCC 7-32) greedy strings *800 Feb/05/2021 09:49
859 D - Journey C++17 (GCC 7-32) dfs and similar dp dsu implementation *1700 Jan/29/2021 10:29
858 C - Longest Simple Cycle C++17 (GCC 7-32) dp graphs greedy *1600 Jan/29/2021 10:14
857 B - Inflation C++17 (GCC 7-32) binary search brute force greedy math *1300 Jan/29/2021 09:56
856 A - K-divisible Sum C++17 (GCC 7-32) binary search constructive algorithms greedy math *1000 Jan/29/2021 09:41
855 C - King's Path C++17 (GCC 7-32) dfs and similar graphs hashing shortest paths *1800 Jan/26/2021 09:21
854 D - Buy a Ticket C++17 (GCC 7-32) data structures graphs shortest paths *2000 Jan/26/2021 08:34
853 E - Advertising Agency C++17 (GCC 7-32) combinatorics math sortings *1600 Jan/25/2021 10:35
852 C - Ball in Berland C++17 (GCC 7-32) combinatorics graphs math *1400 Jan/25/2021 10:23
851 B - New Year's Number C++17 (GCC 7-32) brute force dp math *900 Jan/25/2021 10:16
850 A - Odd Divisor C++17 (GCC 7-32) math number theory *900 Jan/25/2021 10:02
849 D - Knights C++17 (GCC 7-32) geometry graphs shortest paths sortings *2000 Jan/23/2021 15:39
848 E - President and Roads C++17 (GCC 7-32) dfs and similar graphs hashing shortest paths *2200 Jan/22/2021 20:54
847 E - Clearing Up C++17 (GCC 7-32) constructive algorithms dp dsu graphs *2300 Jan/20/2021 17:08
846 B - Greg and Graph C++17 (GCC 7-32) dp graphs shortest paths *1700 Jan/19/2021 08:59
845 C - Volleyball C++17 (GCC 7-32) shortest paths *1900 Jan/17/2021 09:29
844 B - Jzzhu and Cities C++17 (GCC 7-32) graphs greedy shortest paths *2000 Jan/11/2021 14:51
843 D - Missile Silos C++17 (GCC 7-32) data structures dfs and similar graphs shortest paths *1900 Jan/09/2021 13:09
842 E - XOR on Segment C++17 (GCC 7-32) bitmasks data structures *2000 Jan/08/2021 15:02
841 B - Symmetric and Transitive C++17 (GCC 7-32) combinatorics dp math *1900 Jan/08/2021 13:59
840 A - Primes or Palindromes? C++17 (GCC 7-32) brute force implementation math number theory *1600 Jan/08/2021 01:30
839 D - Graph and Queries C++17 (GCC 7-32) data structures dsu graphs implementation trees *2600 Jan/07/2021 14:25
838 C - Oranges and Apples C++17 (GCC 7-32) constructive algorithms sortings *2500 Jan/07/2021 11:38
837 D - Strange Housing C++17 (GCC 7-32) constructive algorithms dfs and similar graph matchings graphs greedy *2200 Jan/07/2021 11:36
836 C - Rock Is Push C++17 (GCC 7-32) data structures dp *2200 Jan/07/2021 10:50
835 B - Power Products C++17 (GCC 7-32) hashing implementation math *1800 Jan/07/2021 07:49
834 A - p-binary C++17 (GCC 7-32) bitmasks brute force math *1600 Jan/07/2021 07:19
833 B - Strange Definition C++17 (GCC 7-32) bitmasks graphs hashing math number theory *1900 Jan/05/2021 10:28
832 A - Strange Birthday Party C++17 (GCC 7-32) binary search dp greedy sortings two pointers *1300 Jan/05/2021 09:55
831 G - Moving to the Capital C++17 (GCC 7-32) dfs and similar dp graphs shortest paths *2100 Jan/04/2021 11:08
830 E - Correct Placement C++17 (GCC 7-32) binary search data structures dp sortings two pointers *1700 Jan/04/2021 10:32
829 D - Even-Odd Game C++17 (GCC 7-32) dp games greedy sortings *1200 Jan/04/2021 09:56
828 C - Long Jumps C++17 (GCC 7-32) dp graphs *1100 Jan/04/2021 09:49
827 B - Fair Division C++17 (GCC 7-32) dp greedy math *800 Jan/04/2021 09:46
826 A - Cards for Friends C++17 (GCC 7-32) greedy math *800 Jan/04/2021 09:40
825 C - ABBB C++17 (GCC 7-32) brute force data structures greedy strings *1100 Jan/01/2021 09:52
824 B - Belted Rooms C++17 (GCC 7-32) graphs implementation *1200 Jan/01/2021 09:17
823 A - Box is Pull C++17 (GCC 7-32) math *800 Jan/01/2021 09:05
822 E - Counting Arrays C++17 (GCC 7-32) combinatorics dp math number theory *2000 Dec/31/2020 12:48
821 C - Gerald and Giant Chess C++17 (GCC 7-32) combinatorics dp math number theory *2200 Dec/31/2020 11:36
820 C - Canine poetry C++17 (GCC 7-32) dp greedy strings *1300 Dec/31/2020 08:01
819 F - Euclid's nightmare C++17 (GCC 7-32) bitmasks dfs and similar dsu graphs greedy math sortings *2100 Dec/31/2020 07:21
818 E - Copying Data C++17 (GCC 7-32) data structures *1900 Dec/31/2020 03:59
817 E - Apollo versus Pan C++17 (GCC 7-32) bitmasks brute force math *1800 Dec/30/2020 11:59
816 B - Last minute enhancements C++17 (GCC 7-32) dp greedy *800 Dec/30/2020 09:46
815 A - Bovine Dilemma C++17 (GCC 7-32) brute force geometry math *800 Dec/30/2020 09:41
814 F - Ant colony C++17 (GCC 7-32) data structures math number theory *2100 Dec/30/2020 01:50
813 E - DZY Loves Planting C++17 (GCC 7-32) binary search dsu trees *2700 Dec/29/2020 15:56
812 D - Beautiful Road C++17 (GCC 7-32) dfs and similar dp dsu graphs implementation sortings trees *2300 Dec/28/2020 07:13
811 D - Tanya and Password C++17 (GCC 7-32) dfs and similar graphs *2500 Dec/27/2020 00:18
810 D - Mike and Fish C++17 (GCC 7-32) constructive algorithms dfs and similar graphs *2600 Dec/25/2020 12:49
809 B - Dominoes C++17 (GCC 7-32) dfs and similar graphs *2000 Dec/21/2020 12:26
808 D - Glass Half Spilled C++17 (GCC 7-32) brute force dp *2000 Dec/19/2020 05:44
807 C - Row GCD C++17 (GCC 7-32) math number theory *1600 Dec/19/2020 05:05
806 B - Move and Turn C++17 (GCC 7-32) dp math *1300 Dec/19/2020 04:58
805 A - Red-Blue Shuffle C++17 (GCC 7-32) math probabilities *800 Dec/19/2020 04:40
804 C - Weak Memory C++17 (GCC 7-32) dfs and similar dsu *2000 Dec/17/2020 12:51
803 D - Divide and Summarize C++17 (GCC 7-32) binary search brute force data structures divide and conquer implementation sortings *1600 Dec/11/2020 10:27
802 C - Random Events C++17 (GCC 7-32) dp math probabilities *1500 Dec/11/2020 10:04
801 B - Find the Spruce C++17 (GCC 7-32) brute force dp implementation *1400 Dec/11/2020 09:53
800 A - String Generation C++17 (GCC 7-32) constructive algorithms greedy *800 Dec/11/2020 09:47
799 D - Vessels C++17 (GCC 7-32) data structures dsu implementation trees *1800 Dec/08/2020 09:39
798 G - Run for beer C++17 (GCC 7-32) dfs and similar shortest paths *2200 Dec/05/2020 23:08
797 E - Counter Attack C++17 (GCC 7-32) data structures dsu graphs hashing sortings *2100 Dec/02/2020 00:02
796 D - XOR-gun C++17 (GCC 7-32) brute force constructive algorithms dp *2000 Nov/29/2020 11:24
795 C - Bouncing Ball C++17 (GCC 7-32) dp implementation *1400 Nov/29/2020 10:43
794 B - Repainting Street C++17 (GCC 7-32) brute force greedy *1100 Nov/29/2020 10:30
793 A - Prison Break C++17 (GCC 7-32) brute force math *800 Nov/29/2020 10:23
792 F - Zublicanes and Mumocrates C++17 (GCC 7-32) dp trees two pointers *2400 Nov/26/2020 13:08
791 D - Characteristics of Rectangles C++17 (GCC 7-32) binary search bitmasks brute force implementation sortings *2100 Nov/23/2020 07:32
790 D - Super M C++17 (GCC 7-32) dfs and similar dp graphs trees *2200 Nov/20/2020 08:35
789 B - Toy Blocks C++17 (GCC 7-32) binary search greedy math sortings *1400 Nov/19/2020 12:37
788 D - Radio Towers C++17 (GCC 7-32) combinatorics dp math *1600 Nov/19/2020 11:07
787 C - Two Brackets C++17 (GCC 7-32) greedy *800 Nov/19/2020 09:48
786 A - Robot Program C++17 (GCC 7-32) math *800 Nov/19/2020 09:38
785 C1 - Binary Table (Easy Version) GNU C++11 constructive algorithms implementation *1500 Nov/17/2020 11:21
784 C2 - Binary Table (Hard Version) GNU C++11 constructive algorithms implementation *1900 Nov/17/2020 11:20
783 B - Sum of Medians GNU C++11 greedy math *900 Nov/17/2020 09:50
782 A - Buy the String GNU C++11 implementation math *800 Nov/17/2020 09:41
781 E - Xor Tree GNU C++11 bitmasks divide and conquer dp graphs string suffix structures trees *2100 Nov/16/2020 12:28
780 D - Powerful Ksenia GNU C++11 bitmasks constructive algorithms math *2200 Nov/16/2020 11:34
779 C - Weakness and Poorness GNU C++11 ternary search *2000 Nov/16/2020 03:31
778 D - Catching Cheaters GNU C++11 dp greedy strings *1800 Nov/15/2020 11:10
777 C - Knapsack GNU C++11 constructive algorithms greedy math sortings *1300 Nov/15/2020 10:31
776 B - Numbers Box GNU C++11 greedy math *1000 Nov/15/2020 10:09
775 A - Add Candies GNU C++11 constructive algorithms math *800 Nov/15/2020 09:37
774 E - IT Restaurants GNU C++11 dfs and similar dp trees *1500 Nov/14/2020 13:07
773 C - Engineer Artem GNU C++11 2-sat chinese remainder theorem constructive algorithms fft flows *2000 Nov/13/2020 09:43
772 B - Valerii Against Everyone GNU C++11 constructive algorithms data structures greedy sortings *1000 Nov/13/2020 09:39
771 A - Specific Tastes of Andre GNU C++11 constructive algorithms implementation *800 Nov/13/2020 09:36
770 A - Array Rearrangment GNU C++11 greedy sortings *800 Nov/11/2020 13:45
769 E - Long Permutation GNU C++11 brute force math two pointers *2400 Nov/11/2020 05:34
768 A - Counting Sticks C++17 (GCC 9-64) brute force implementation Nov/10/2020 09:53
767 B - Very Beautiful Number GNU C++11 math Nov/10/2020 09:51
766 C - Dominoes GNU C++11 constructive algorithms greedy Nov/10/2020 09:51
765 D - Physical Education and Buns C++17 (GCC 9-64) brute force implementation math Nov/10/2020 09:51
764 D - Road Improvement GNU C++11 dp trees *2300 Nov/10/2020 08:15
763 F - Independent Set GNU C++11 dfs and similar dp trees *2500 Nov/08/2020 13:14
762 D - Vika and Segments GNU C++11 constructive algorithms data structures geometry two pointers *2300 Nov/07/2020 14:11
761 F - Identify the Operations GNU C++11 brute force combinatorics data structures greedy math *1800 Nov/05/2020 06:24
760 D - Cunning Gena GNU C++11 bitmasks dp greedy sortings *1900 Nov/04/2020 14:22
759 C - Little Pony and Summer Sun Celebration GNU C++11 constructive algorithms dfs and similar graphs *2200 Nov/04/2020 11:53
758 C - Harmony Analysis C++17 (GCC 9-64) constructive algorithms *1800 Nov/03/2020 07:12
757 B - Vika and Squares C++17 (GCC 9-64) constructive algorithms implementation *1300 Nov/03/2020 07:11
756 A - Pasha and Stick C++17 (GCC 9-64) combinatorics math *1000 Nov/03/2020 07:11
755 A - Kids Seating C++17 (GCC 9-64) constructive algorithms math *800 Nov/02/2020 12:35
754 B - Saving the City C++17 (GCC 9-64) dp greedy math sortings *1300 Nov/02/2020 12:35
753 D - Extreme Subtraction C++17 (GCC 9-64) dp greedy math *1800 Nov/02/2020 12:35
752 C - The Delivery Dilemma C++17 (GCC 9-64) binary search greedy sortings *1400 Nov/02/2020 12:34
751 D - Divide and Sum C++17 (GCC 9-64) combinatorics math sortings *1900 Nov/01/2020 09:37
750 C - Division C++17 (GCC 9-64) math number theory *1500 Nov/01/2020 08:49
749 C - Brackets C++17 (GCC 9-64) combinatorics dp greedy *2300 Oct/31/2020 16:35
748 E - Guard Towers C++17 (GCC 9-64) binary search dsu geometry graphs sortings *2600 Oct/29/2020 07:49
747 D - Minimal Height Tree C++17 (GCC 9-64) graphs greedy shortest paths trees *1600 Oct/28/2020 03:39
746 A - Marketing Scheme C++17 (GCC 9-64) brute force constructive algorithms greedy math *800 Oct/28/2020 03:38
745 B - Reverse Binary Strings C++17 (GCC 9-64) constructive algorithms greedy *1200 Oct/28/2020 03:38
744 C - Chef Monocarp C++17 (GCC 9-64) dp flows graph matchings greedy math sortings *1800 Oct/28/2020 03:38
743 E - Make It Increasing C++17 (GCC 9-64) binary search constructive algorithms data structures dp implementation *2200 Oct/27/2020 16:10
742 A - Party C++17 (GCC 9-64) dfs and similar graphs trees *900 Oct/27/2020 08:31
741 B - Ping-Pong (Easy Version) C++17 (GCC 9-64) dfs and similar graphs *1500 Oct/27/2020 08:31
740 A - Ice Skating C++17 (GCC 9-64) brute force dfs and similar dsu graphs *1200 Oct/27/2020 08:30
739 A - Finding Sasuke C++17 (GCC 9-64) constructive algorithms math *800 Oct/26/2020 16:04
738 B - A New Technique C++17 (GCC 9-64) implementation *1100 Oct/26/2020 15:56
737 A - Perform Easily C++17 (GCC 9-64) binary search brute force data structures dp greedy sortings two pointers *1900 Oct/26/2020 15:19
736 B - Shurikens C++17 (GCC 9-64) data structures greedy implementation *1700 Oct/25/2020 15:52
735 B - Digital root C++17 (GCC 9-64) math number theory *1000 Oct/24/2020 15:11
734 C - Brutality C++17 (GCC 9-64) greedy sortings two pointers *1300 Oct/24/2020 15:04
733 D - Compression C++17 (GCC 9-64) dp implementation math number theory *1800 Oct/24/2020 14:30
732 E - Vasya and Binary String C++17 (GCC 9-64) dp *2400 Oct/24/2020 05:21
731 A - Number of Apartments C++17 (GCC 9-64) brute force constructive algorithms math *900 Oct/23/2020 12:25
730 C - Dominant Piranha C++17 (GCC 9-64) constructive algorithms greedy *900 Oct/23/2020 11:29
729 B - Yet Another Bookshelf C++17 (GCC 9-64) greedy implementation *800 Oct/23/2020 11:25
728 A - Boring Apartments C++17 (GCC 9-64) implementation math *800 Oct/23/2020 11:20
727 D - Districts Connection C++17 (GCC 9-64) constructive algorithms dfs and similar *1200 Oct/23/2020 03:33
726 G - Reducing Delivery Cost C++17 (GCC 9-64) brute force graphs shortest paths *2100 Oct/22/2020 15:30
725 F - Zero Remainder Sum C++17 (GCC 9-64) dp *2100 Oct/21/2020 14:26
724 E - Two Round Dances C++17 (GCC 9-64) combinatorics math *1300 Oct/21/2020 13:18
723 B - Putting Bricks in the Wall C++17 (GCC 9-64) constructive algorithms implementation *1100 Oct/21/2020 06:21
722 A - XORwice C++17 (GCC 9-64) bitmasks greedy math *800 Oct/21/2020 06:03
721 D - Gargari and Permutations C++17 (GCC 9-64) dfs and similar dp graphs implementation *1900 Oct/20/2020 10:02
720 D - Turtles C++17 (GCC 9-64) dp matrices *2500 Oct/19/2020 12:09
719 D - Kindergarten C++17 (GCC 9-64) data structures dp greedy *2400 Oct/19/2020 06:46
718 B - Bargaining Table C++17 (GCC 9-64) brute force dp *1500 Oct/18/2020 16:12
717 E - Flag 2 C++17 (GCC 9-64) dp *2000 Oct/18/2020 15:25
716 B - Valera and Fruits C++17 (GCC 9-64) greedy implementation *1400 Oct/18/2020 15:16
715 C - Round Table Knights C++17 (GCC 9-64) dp math number theory *1600 Oct/18/2020 14:03
714 E - Pluses everywhere C++17 (GCC 9-64) combinatorics dp math number theory *2200 Oct/18/2020 14:03
713 E - TV Game C++17 (GCC 9-64) dp *2400 Oct/18/2020 14:03
712 C - Palindromifier C++17 (GCC 9-64) constructive algorithms strings *1400 Oct/18/2020 08:48
711 D - Tree Tag C++17 (GCC 9-64) constructive algorithms dfs and similar dp games strings trees *1900 Oct/14/2020 15:23
710 D - Unshuffling a Deck C++17 (GCC 9-64) constructive algorithms implementation *2000 Oct/14/2020 14:36
709 C - Vladik and Memorable Trip C++17 (GCC 9-64) dp implementation *1900 Oct/13/2020 14:46
708 B - Little Pony and Harmony Chest C++17 (GCC 9-64) bitmasks brute force dp *2000 Oct/13/2020 12:13
707 C - Numbers on Whiteboard C++17 (GCC 9-64) constructive algorithms data structures greedy implementation math *1000 Oct/11/2020 15:01
706 E - Numbers Exchange C++17 (GCC 9-64) greedy implementation math *1900 Oct/11/2020 11:15
705 C - Match Points C++17 (GCC 9-64) binary search greedy sortings ternary search two pointers *2000 Oct/11/2020 08:27
704 B - Approximating a Constant Range C++17 (GCC 9-64) dp implementation two pointers *1400 Oct/11/2020 05:53
703 B - Chess Cheater C++17 (GCC 9-64) greedy implementation sortings *1400 Oct/11/2020 04:44
702 C - Make It Good C++17 (GCC 9-64) greedy *1200 Oct/11/2020 03:39
701 B - Minimization C++17 (GCC 9-64) dp greedy sortings *2000 Oct/10/2020 07:18
700 D - AB-string C++17 (GCC 9-64) binary search combinatorics dp strings *1900 Oct/09/2020 16:12
699 D - Coloring Edges C++17 (GCC 9-64) constructive algorithms dfs and similar graphs *2100 Oct/09/2020 13:45
698 C - The Number Of Good Substrings C++17 (GCC 9-64) binary search bitmasks brute force *1700 Oct/09/2020 13:16
697 D - Bicolorings C++17 (GCC 9-64) bitmasks dp *1700 Oct/09/2020 03:39
696 H - Subsequences (hard version) C++17 (GCC 9-64) dp strings *1900 Oct/09/2020 02:57
695 C - Discrete Acceleration C++17 (GCC 9-64) binary search dp implementation math two pointers *1500 Oct/08/2020 13:31
694 D - CGCDSSQ C++17 (GCC 9-64) brute force data structures math *2000 Oct/08/2020 07:54
693 D - Rescue Nibel! C++17 (GCC 7-32) combinatorics data structures sortings *1800 Oct/06/2020 15:55
692 H - Queries for Number of Palindromes Clang++17 Diagnostics dp hashing strings *1800 Oct/06/2020 15:21
691 D - Map C++17 (GCC 7-32) data structures implementation sortings *2500 Oct/06/2020 12:07
690 J - Lonely Numbers C++14 (GCC 6-32) math *1600 Oct/05/2020 11:17
689 G - Years C++14 (GCC 6-32) data structures sortings *1300 Oct/05/2020 11:00
688 B - Nice Matrix C++17 (GCC 7-32) greedy implementation math *1300 Oct/04/2020 14:34
687 A - Fence C++17 (GCC 7-32) geometry math *800 Oct/04/2020 14:34
686 C - Bargain C++17 (GCC 7-32) combinatorics dp math *1700 Oct/04/2020 14:33
685 B - A Prosperous Lot C++17 (GCC 7-32) constructive algorithms implementation *1200 Oct/02/2020 15:40
684 D - LCIS C++17 (GCC 7-32) dp *2800 Oct/02/2020 03:19
683 F - Two Different C++17 (GCC 7-32) constructive algorithms divide and conquer *2300 Sep/30/2020 15:44
682 F - Number of Subsequences C++17 (GCC 9-64) combinatorics dp strings *2000 Sep/30/2020 05:06
681 E - Tree Queries C++17 (GCC 9-64) dfs and similar graphs trees *1900 Sep/29/2020 16:29
680 A - Watermelon C++17 (GCC 9-64) brute force math *800 Sep/29/2020 05:11
679 D - Make Them Equal C++17 (GCC 9-64) constructive algorithms greedy math *2000 Sep/28/2020 13:34
678 E - XOR Inverse C++17 (GCC 9-64) bitmasks divide and conquer strings trees *2000 Sep/28/2020 12:13
677 C - k-Amazing Numbers C++17 (GCC 9-64) data structures *1500 Sep/27/2020 13:49
676 A - Copy-paste C++17 (GCC 9-64) greedy math *800 Sep/27/2020 13:48
675 B - Two Arrays C++17 (GCC 9-64) greedy math sortings *1100 Sep/27/2020 13:48
674 A - Accounting C++17 (GCC 9-64) brute force math *1400 Sep/27/2020 06:53
673 B - Ehab Is an Odd Person C++17 (GCC 9-64) sortings *1200 Sep/27/2020 05:57
672 A - Ehab Fails to Be Thanos C++17 (GCC 9-64) constructive algorithms greedy sortings *1000 Sep/27/2020 05:48
671 B - Sysadmin Bob C++17 (GCC 9-64) greedy implementation strings *1500 Sep/27/2020 05:35
670 A - Shortest path of the king C++17 (GCC 9-64) greedy shortest paths *1000 Sep/25/2020 03:48
669 G - University Classes C++17 (GCC 9-64) implementation *900 Sep/25/2020 03:09
668 M - Weather Tomorrow C++17 (GCC 9-64) implementation math *1000 Sep/25/2020 02:43
667 E - Decryption C++17 (GCC 9-64) constructive algorithms implementation math number theory *2100 Sep/25/2020 02:12
666 A - Comparing Two Long Integers C++17 (GCC 9-64) implementation strings *900 Sep/25/2020 02:08
665 A - Digit Game C++17 (GCC 7-32) games greedy implementation *900 Sep/24/2020 05:29
664 B - Stairs C++17 (GCC 7-32) brute force constructive algorithms greedy implementation math *1200 Sep/24/2020 05:28
663 C - Killjoy C++17 (GCC 7-32) greedy implementation math *1500 Sep/24/2020 05:05
662 D2 - Sage's Birthday (hard version) C++17 (GCC 7-32) binary search brute force constructive algorithms greedy sortings two pointers *1500 Sep/24/2020 04:48
661 D1 - Sage's Birthday (easy version) C++17 (GCC 7-32) binary search constructive algorithms greedy sortings *1000 Sep/24/2020 04:48
660 A - Rainbow Dash, Fluttershy and Chess Coloring C++17 (GCC 7-32) greedy math *800 Sep/24/2020 03:59
659 C - Pinkie Pie Eats Patty-cakes C++17 (GCC 7-32) constructive algorithms greedy math sortings *1700 Sep/24/2020 03:54
658 A - Short Program C++17 (GCC 7-32) bitmasks constructive algorithms *1600 Sep/23/2020 04:31
657 A - Captain Flint and Crew Recruitment C++17 (GCC 7-32) brute force greedy math number theory *800 Sep/22/2020 10:29
656 B - Captain Flint and a Long Voyage C++17 (GCC 7-32) greedy math *1000 Sep/22/2020 10:03
655 D - Trash Problem C++17 (GCC 9-64) data structures implementation *2100 Sep/22/2020 08:51
654 E - Minimizing Difference C++17 (GCC 9-64) binary search constructive algorithms greedy sortings ternary search two pointers *2000 Sep/22/2020 06:17
653 D - Rarity and New Dress C++17 (GCC 9-64) dfs and similar dp implementation shortest paths *2100 Sep/21/2020 10:55
652 D - Number of Parallelograms C++14 (GCC 6-32) geometry *1900 Sep/21/2020 06:28
651 D - Restore Permutation C++17 (GCC 9-64) binary search data structures greedy implementation *1900 Sep/20/2020 16:41
650 D - Array Splitting C++14 (GCC 6-32) greedy sortings *1900 Sep/20/2020 06:11
649 C - Ivan and Powers of Two C++14 (GCC 6-32) greedy implementation *1600 Sep/19/2020 12:08
648 C - Choosing flowers C++14 (GCC 6-32) binary search brute force data structures dfs and similar dp greedy sortings two pointers *2000 Sep/17/2020 09:27
647 A - Acacius and String C++14 (GCC 6-32) brute force implementation strings *1500 Sep/17/2020 09:26
646 B - Dubious Cyrpto C++14 (GCC 6-32) binary search brute force math number theory *1500 Sep/17/2020 09:26
645 D - 505 C++14 (GCC 6-32) bitmasks brute force constructive algorithms dp greedy implementation *2000 Sep/16/2020 08:24
644 B - Negative Prefixes C++14 (GCC 6-32) greedy sortings *1300 Sep/16/2020 07:47
643 B - Cow and Friend C++14 (GCC 6-32) geometry greedy math *1300 Sep/16/2020 05:13
642 C - Cow and Message C++14 (GCC 6-32) brute force dp math strings *1500 Sep/16/2020 05:03
641 C - Mortal Kombat Tower C++14 (GCC 6-32) dp graphs greedy shortest paths *1500 Sep/15/2020 15:38
640 D - Jon and Orbs C++14 (GCC 6-32) dp math probabilities *2200 Sep/15/2020 14:21
639 B - Ternary Sequence C++14 (GCC 6-32) constructive algorithms greedy math *1100 Sep/15/2020 13:28
638 C - Mere Array C++14 (GCC 6-32) constructive algorithms math number theory sortings *1300 Sep/15/2020 13:07
637 D - Maximum Distributed Tree C++14 (GCC 6-32) dfs and similar dp greedy implementation math number theory sortings trees *1800 Sep/14/2020 17:05
636 C - Link Cut Centroids C++14 (GCC 6-32) constructive algorithms dfs and similar graphs trees *1700 Sep/14/2020 08:38
635 C - Three displays C++14 (GCC 6-32) brute force dp implementation *1400 Sep/13/2020 14:08
634 A - Fair C++14 (GCC 6-32) graphs greedy number theory shortest paths *1600 Sep/13/2020 13:39
633 B - Petr and Permutations C++14 (GCC 6-32) combinatorics math *1800 Sep/13/2020 13:07
632 A - Subset Mex C++14 (GCC 6-32) greedy implementation math *900 Sep/12/2020 12:31
631 B - Maximum Product C++14 (GCC 6-32) brute force dp greedy implementation sortings *1200 Sep/12/2020 12:31
630 D - Mars rover C++14 (GCC 6-32) dfs and similar graphs implementation trees *2000 Sep/11/2020 05:50
629 D - Vanya and Triangles C++14 (GCC 6-32) brute force combinatorics data structures geometry math sortings *1900 Sep/10/2020 15:17
628 D - Complete Tripartite C++14 (GCC 6-32) brute force constructive algorithms graphs hashing implementation *1900 Sep/10/2020 14:55
627 A - Leha and Function C++14 (GCC 6-32) combinatorics greedy math number theory sortings *1300 Sep/10/2020 14:15
626 D - Directed Roads C++14 (GCC 6-32) combinatorics dfs and similar graphs math *1900 Sep/10/2020 14:02
625 E - Pavel and Triangles C++14 (GCC 6-32) brute force dp fft greedy ternary search *1900 Sep/10/2020 12:07
624 C - Journey C++14 (GCC 6-32) dfs and similar dp graphs probabilities trees *1500 Sep/10/2020 10:52
623 B - Good Sequences C++14 (GCC 6-32) dp number theory *1500 Sep/10/2020 04:29
622 D - Petya and His Friends C++14 (GCC 6-32) constructive algorithms math number theory *1700 Sep/09/2020 10:32
621 B - Big Vova C++14 (GCC 6-32) brute force greedy math number theory *1300 Sep/09/2020 06:23
620 A - Ahahahahahahahaha C++14 (GCC 6-32) constructive algorithms math *1100 Sep/09/2020 05:53
619 C - Chocolate Bunny C++14 (GCC 6-32) constructive algorithms interactive math two pointers *1600 Sep/09/2020 05:39
618 E - Weights Distributing C++14 (GCC 6-32) brute force graphs greedy shortest paths sortings *2100 Sep/08/2020 12:48
617 A - Prefix Sum Primes C++14 (GCC 6-32) constructive algorithms greedy math number theory *1200 Sep/08/2020 06:45
616 C - Foe Pairs C++14 (GCC 6-32) combinatorics sortings two pointers *1800 Sep/07/2020 15:59
615 C - Kefa and Park C++14 (GCC 6-32) dfs and similar graphs trees *1500 Sep/07/2020 15:08
614 A - Permutation Forgery C++14 (GCC 6-32) constructive algorithms *800 Sep/07/2020 14:53
613 C - Balanced Bitstring C++14 (GCC 6-32) greedy implementation strings *1500 Sep/07/2020 14:52
612 B - Array Cancellation C++14 (GCC 6-32) constructive algorithms implementation *1000 Sep/07/2020 14:52
611 D - Magic Gems C++14 (GCC 6-32) dp math matrices *2100 Sep/07/2020 12:24
610 A - Best Subsegment C++14 (GCC 6-32) implementation math *1100 Sep/07/2020 09:30
609 C - Magic Ship C++14 (GCC 6-32) binary search *1900 Sep/07/2020 09:29
608 B - Emotes C++14 (GCC 6-32) greedy math sortings *1000 Sep/07/2020 09:29
607 C - Fox And Names C++14 (GCC 6-32) dfs and similar graphs sortings *1600 Sep/06/2020 06:46
606 F - String Set Queries C++14 (GCC 6-32) brute force data structures hashing interactive string suffix structures strings *2400 Sep/05/2020 15:13
605 B - Count Pairs C++14 (GCC 6-32) math matrices number theory two pointers *2300 Sep/05/2020 13:55
604 E - Generate a String C++14 (GCC 6-32) dfs and similar dp *2000 Sep/05/2020 13:30
603 A - King Moves C++14 (GCC 6-32) implementation *800 Sep/05/2020 13:24
602 C - Magic Odd Square C++14 (GCC 6-32) constructive algorithms math *1500 Sep/05/2020 13:23
601 B - Optimal Point on a Line C++14 (GCC 6-32) brute force sortings *1400 Sep/05/2020 13:23
600 E - Magic Stones C++14 (GCC 6-32) constructive algorithms math sortings *2200 Sep/05/2020 09:33
599 A - Parity C++14 (GCC 6-32) math *900 Sep/05/2020 09:28
598 B - Tape C++14 (GCC 6-32) greedy sortings *1400 Sep/05/2020 09:28
597 C - Meaningless Operations C++14 (GCC 6-32) constructive algorithms math number theory *1500 Sep/05/2020 09:28
596 D - Lakes in Berland C++14 (GCC 6-32) dfs and similar dsu graphs greedy implementation *1600 Sep/05/2020 06:59
595 C - Woodcutters C++14 (GCC 6-32) dp greedy *1500 Sep/05/2020 03:41
594 A - Sum in the tree C++14 (GCC 6-32) constructive algorithms dfs and similar greedy trees *1600 Sep/05/2020 03:24
593 F - Subsequences of Length Two C++14 (GCC 6-32) dp strings *2100 Sep/04/2020 15:09
592 B - Minimum Product C++14 (GCC 6-32) brute force greedy math *1100 Sep/04/2020 14:14
591 A - Yet Another Two Integers Problem C++14 (GCC 6-32) greedy math *800 Sep/04/2020 14:14
590 E - Two Platforms C++14 (GCC 6-32) binary search dp sortings two pointers *1800 Sep/04/2020 14:13
589 D - Decrease the Sum of Digits C++14 (GCC 6-32) greedy math *1500 Sep/04/2020 14:13
588 C - Yet Another Array Restoration C++14 (GCC 6-32) brute force math number theory *1200 Sep/04/2020 13:45
587 B - Edge Weight Assignment C++14 (GCC 6-32) bitmasks constructive algorithms dfs and similar greedy math trees *1800 Sep/04/2020 02:35
586 A - String Similarity C++14 (GCC 6-32) constructive algorithms strings *800 Sep/02/2020 08:43
585 D - Extra Element C++14 (GCC 6-32) implementation math *1700 Aug/31/2020 14:48
584 D - Upgrading Array C++14 (GCC 6-32) dp greedy math number theory *1800 Aug/31/2020 13:12
583 B - Knights C++14 (GCC 6-32) constructive algorithms greedy *1100 Aug/31/2020 10:24
582 D - Antimatter C++14 (GCC 6-32) dp *2300 Aug/31/2020 08:43
581 D - Minesweeper 1D C++14 (GCC 6-32) dp implementation *1900 Aug/31/2020 07:56
580 E - Bindian Signalizing C++14 (GCC 6-32) data structures *2400 Aug/31/2020 04:13
579 D - Stoned Game C++14 (GCC 6-32) brute force games greedy implementation *1800 Aug/30/2020 15:03
578 A - Juggling Letters C++14 (GCC 6-32) greedy strings *800 Aug/30/2020 13:59
577 B - Power Sequence C++14 (GCC 6-32) brute force math number theory sortings *1500 Aug/30/2020 13:59
576 C - Multiples of Length C++14 (GCC 6-32) constructive algorithms greedy math number theory *1600 Aug/30/2020 13:59
575 F - Yet Another Segments Subset C++14 (GCC 6-32) data structures dp graphs sortings *2300 Aug/30/2020 08:12
574 I - Parking Lot C++14 (GCC 6-32) combinatorics math *1700 Aug/30/2020 02:44
573 B - Dreamoon Likes Sequences C++14 (GCC 6-32) bitmasks combinatorics math *1700 Aug/30/2020 02:09
572 E - Placing Rooks C++14 (GCC 6-32) combinatorics fft math *2300 Aug/29/2020 13:42
571 B - Shortest Cycle C++14 (GCC 6-32) bitmasks brute force graphs shortest paths *1900 Aug/29/2020 05:52
570 A - Almost Equal C++14 (GCC 6-32) constructive algorithms greedy math *1200 Aug/29/2020 05:01
569 E - Porcelain C++14 (GCC 6-32) dp *1900 Aug/29/2020 04:31
568 B - Longtail Hedgehog C++14 (GCC 6-32) dp graphs *1600 Aug/29/2020 03:50
567 E - Array Shrinking C++14 (GCC 6-32) dp greedy *2100 Aug/29/2020 03:03
566 E - Bertown roads C++14 (GCC 6-32) dfs and similar graphs *2000 Aug/29/2020 02:31
565 C - Cyclic Permutations C++14 (GCC 6-32) combinatorics dp graphs math *1500 Aug/28/2020 13:26
564 E - Calendar Ambiguity C++14 (GCC 6-32) math number theory *2200 Aug/28/2020 05:12
563 C - Binary String Reconstruction GNU C++11 2-sat brute force constructive algorithms greedy *1500 Aug/28/2020 04:24
562 D - Make The Fence Great Again C++14 (GCC 6-32) dp *1800 Aug/27/2020 15:18
561 D - Zigzags C++14 (GCC 6-32) brute force combinatorics data structures math two pointers *1900 Aug/27/2020 13:54
560 E - Clear the Multiset C++14 (GCC 6-32) data structures divide and conquer dp greedy *2200 Aug/26/2020 02:23
559 C - Booking System C++14 (GCC 6-32) binary search dp greedy implementation *1600 Aug/23/2020 06:25
558 C - Logo Turtle C++14 (GCC 6-32) dp *1800 Aug/23/2020 03:00
557 B - Palindrome C++14 (GCC 6-32) constructive algorithms dp *1900 Aug/22/2020 10:50
556 A - Omkar and Password C++14 (GCC 6-32) greedy math *800 Aug/16/2020 23:32
555 B - Omkar and Infinity Clock C++14 (GCC 6-32) implementation math *800 Aug/16/2020 23:27
554 C - Omkar and Waterslide C++14 (GCC 6-32) greedy implementation *1200 Aug/16/2020 23:27
553 A - Bad Triangle C++14 (GCC 6-32) geometry math *800 Aug/16/2020 07:47
552 B - Boboniu Plays Chess C++14 (GCC 6-32) constructive algorithms *1100 Aug/13/2020 01:32
551 A - Boboniu Likes to Color Balls C++14 (GCC 6-32) brute force math *1000 Aug/13/2020 01:28
550 C - Boboniu and Bit Operations C++14 (GCC 6-32) bitmasks brute force dp greedy *1600 Aug/13/2020 01:23
549 C - Mr. Kitayuta, the Treasure Hunter C++14 (GCC 6-32) dfs and similar dp two pointers *1900 Aug/12/2020 06:05
548 C - Barcode GNU C11 dp matrices *1700 Aug/11/2020 10:06
547 B - Working out GNU C11 dp *1600 Aug/11/2020 05:12
546 D - Dima and Hares C++14 (GCC 6-32) dp greedy *1800 Aug/11/2020 03:56
545 D - Bubble Sort Graph C++14 (GCC 6-32) binary search data structures dp *1500 Aug/10/2020 16:04
544 D - MUH and Cube Walls C++14 (GCC 6-32) string suffix structures strings *1800 Aug/10/2020 11:10
543 C - Painting Fence C++14 (GCC 6-32) divide and conquer dp greedy *1900 Aug/10/2020 10:47
542 C - MUH and House of Cards C++14 (GCC 6-32) binary search brute force greedy math *1700 Aug/10/2020 02:02
541 B - MUH and Important Things C++14 (GCC 6-32) implementation sortings *1300 Aug/10/2020 01:40
540 A - MUH and Sticks C++14 (GCC 6-32) implementation *1100 Aug/10/2020 01:22
539 B - Applejack and Storages C++14 (GCC 6-32) constructive algorithms data structures greedy implementation *1400 Aug/08/2020 02:25
538 B - Plus from Picture C++14 (GCC 6-32) dfs and similar implementation strings *1300 Aug/07/2020 05:42
537 A - Remove Smallest C++14 (GCC 6-32) greedy sortings *800 Aug/07/2020 05:02
536 B - Gifts Fixing C++14 (GCC 6-32) greedy *800 Aug/07/2020 04:55
535 C - Boats Competition C++14 (GCC 6-32) brute force greedy two pointers *1200 Aug/07/2020 02:06
534 E1 - Weights Division (easy version) C++14 (GCC 6-32) data structures dfs and similar greedy trees *2000 Aug/06/2020 04:35
533 D - Binary String To Subsequences C++14 (GCC 6-32) constructive algorithms data structures greedy implementation *1500 Aug/06/2020 03:40
532 E - Riding in a Lift C++14 (GCC 6-32) combinatorics dp *1900 Aug/04/2020 12:46
531 B - Mashmokh and ACM C++14 (GCC 6-32) combinatorics dp number theory *1400 Aug/04/2020 11:00
530 A - Boredom C++14 (GCC 6-32) dp *1500 Aug/04/2020 08:54
529 E - Pashmak and Graph C++14 (GCC 6-32) dp sortings *1900 Aug/04/2020 05:17
528 C - Weather C++17 (GCC 7-32) dp implementation *1300 Aug/04/2020 04:21
527 A - Kyoya and Colored Balls C++14 (GCC 6-32) combinatorics dp math *1500 Aug/04/2020 03:15
526 A - Omkar and Completion GNU C++11 constructive algorithms implementation *800 Aug/03/2020 00:50
525 B - Array Walk C++14 (GCC 6-32) brute force dp greedy *1600 Jul/31/2020 00:59
524 C - Good String C++14 (GCC 6-32) brute force dp greedy two pointers *1500 Jul/30/2020 14:28
523 A - LCM Problem C++14 (GCC 6-32) constructive algorithms greedy math number theory *800 Jul/30/2020 13:35
522 A - Dawid and Bags of Candies C++14 (GCC 6-32) brute force implementation *800 Jul/29/2020 01:26
521 E - Exposition C++14 (GCC 6-32) binary search data structures dsu trees two pointers *1900 Jul/28/2020 03:38
520 C - The Labyrinth C++14 (GCC 6-32) dfs and similar *1600 Jul/28/2020 02:19
519 C - Longest Regular Bracket Sequence C++14 (GCC 6-32) constructive algorithms data structures dp greedy sortings strings *1900 Jul/27/2020 23:58
518 B - Regular Bracket Sequence C++14 (GCC 6-32) greedy *1400 Jul/27/2020 23:57
517 E - Anton and Ira C++14 (GCC 6-32) constructive algorithms greedy math *2300 Jul/27/2020 03:14
516 A - String Transformation 1 C++14 (GCC 6-32) dsu graphs greedy sortings strings trees two pointers *1700 Jul/26/2020 04:23
515 E - Correct Bracket Sequence Editor C++14 (GCC 6-32) data structures dsu strings *1700 Jul/24/2020 11:18
514 A - Knight Tournament C++14 (GCC 6-32) data structures dsu *1500 Jul/24/2020 09:17
513 E - Subsegments C++14 (GCC 6-32) data structures implementation *1800 Jul/24/2020 03:50
512 C1 - Prefix Flip (Easy Version) C++14 (GCC 6-32) constructive algorithms data structures strings *1300 Jul/22/2020 05:35
511 B - Sequential Nim C++14 (GCC 6-32) dp games *1100 Jul/22/2020 03:52
510 A - Common Subsequence C++14 (GCC 6-32) brute force *800 Jul/22/2020 03:33
509 C - Marina and Vasya C++14 (GCC 6-32) constructive algorithms greedy strings *1700 Jul/21/2020 02:18
508 D - Dima and Lisa C++14 (GCC 6-32) brute force math number theory *1800 Jul/21/2020 01:54
507 B - Kolya and Tanya C++14 (GCC 6-32) combinatorics *1500 Jul/21/2020 00:38
506 A - Olesya and Rodion C++14 (GCC 6-32) math *1000 Jul/21/2020 00:31
505 E - Infinite Inversions C++14 (GCC 6-32) binary search data structures implementation sortings trees *2100 Jul/19/2020 15:58
504 D - a-Good String C++14 (GCC 6-32) bitmasks brute force divide and conquer dp implementation *1500 Jul/18/2020 15:23
503 B - Omkar and Last Class of Math C++14 (GCC 6-32) greedy math number theory *1300 Jul/16/2020 04:48
502 C - Omkar and Baseball C++14 (GCC 6-32) constructive algorithms math *1500 Jul/16/2020 04:37
501 C - Computer Game C++17 (GCC 7-32) binary search math *1400 Jul/09/2020 08:17
500 A - Lefthanders and Righthanders C++17 (GCC 7-32) implementation *1200 Jul/09/2020 06:56
499 C - Eugene and an array C++17 (GCC 7-32) binary search data structures implementation two pointers *1700 Jul/06/2020 10:12
498 C - Dijkstra? C++17 (GCC 7-32) graphs shortest paths *1900 Jul/06/2020 07:19
497 D - Replace by MEX C++17 (GCC 7-32) brute force constructive algorithms sortings *1900 Jul/05/2020 14:33
496 A - Sign Flipping C++17 (GCC 7-32) constructive algorithms math *1100 Jul/05/2020 12:52
495 C - Element Extermination C++17 (GCC 7-32) constructive algorithms data structures greedy *1400 Jul/05/2020 12:42
494 B - Neighbor Grid C++17 (GCC 7-32) constructive algorithms greedy *1200 Jul/05/2020 12:04
493 A - Dreamoon and Ranking Collection C++17 (GCC 7-32) implementation *900 Jul/04/2020 14:36
492 E1 - Asterism (Easy Version) C++17 (GCC 7-32) binary search brute force combinatorics math number theory sortings *1900 Jul/03/2020 09:25
491 C - Find Maximum C++17 (GCC 7-32) implementation math number theory *1600 Jul/03/2020 01:13
490 B - Unnatural Conditions C++17 (GCC 7-32) constructive algorithms math *1200 Jul/02/2020 13:06
489 A - Dead Pixel C++17 (GCC 7-32) implementation *800 Jul/02/2020 03:41
488 A - Magical Sticks C++17 (GCC 7-32) math *800 Jul/01/2020 12:52
487 C - A Cookie for You C++17 (GCC 7-32) greedy implementation math *1300 Jul/01/2020 12:51
486 B - Magical Calendar C++17 (GCC 7-32) math *1200 Jul/01/2020 12:51
485 D - Grid-00100 C++17 (GCC 7-32) constructive algorithms greedy implementation *1600 Jul/01/2020 12:50
484 B - Filling the Grid C++17 (GCC 7-32) implementation math *1400 Jul/01/2020 09:16
483 C - Primes and Multiplication C++17 (GCC 7-32) math number theory *1700 Jul/01/2020 08:50
482 C - Basketball Exercise C++17 (GCC 7-32) dp *1400 Jun/29/2020 10:13
481 D2 - Submarine in the Rybinsk Sea (hard edition) C++17 (GCC 7-32) combinatorics math number theory *1800 Jun/29/2020 10:00
480 E1 - Reading Books (easy version) C++17 (GCC 7-32) data structures greedy sortings *1600 Jun/29/2020 09:04
479 C - Move Brackets C++17 (GCC 7-32) greedy strings *1000 Jun/29/2020 08:32
478 D - Zero Remainder Array C++17 (GCC 7-32) math sortings two pointers *1400 Jun/29/2020 08:28
477 B - Multiply by 2, divide by 6 C++17 (GCC 7-32) math *900 Jun/29/2020 08:10
476 A - Required Remainder C++17 (GCC 7-32) math *800 Jun/29/2020 08:05
475 E - The Cake Is a Lie C++17 (GCC 7-32) constructive algorithms data structures dfs and similar graphs *2400 Jun/28/2020 15:33
474 B1 - K for the Price of One (Easy Version) C++17 (GCC 7-32) dp greedy sortings *1400 Jun/28/2020 09:06
473 B2 - K for the Price of One (Hard Version) C++17 (GCC 7-32) dp greedy sortings *1600 Jun/28/2020 09:05
472 C - Petya and Exam C++17 (GCC 7-32) greedy sortings two pointers *1800 Jun/28/2020 08:24
471 D - Maximum Sum on Even Positions C++17 (GCC 7-32) divide and conquer dp greedy implementation *1600 Jun/27/2020 11:22
470 B - 01 Game C++17 (GCC 7-32) games *900 Jun/27/2020 10:59
469 C - Pluses and Minuses C++17 (GCC 7-32) math *1300 Jun/27/2020 10:55
468 A - Donut Shops C++17 (GCC 7-32) greedy implementation math *1000 Jun/27/2020 10:29
467 B - Nick and Array C++17 (GCC 7-32) greedy implementation *1500 Jun/24/2020 14:41
466 B - Marathon C++17 (GCC 7-32) implementation math *1500 Jun/24/2020 06:57
465 B - Number Circle C++17 (GCC 7-32) greedy math sortings *1100 Jun/24/2020 06:27
464 A - FashionabLee C++17 (GCC 7-32) geometry math *800 Jun/24/2020 06:15
463 D - TediousLee C++17 (GCC 7-32) dp graphs greedy math trees *1900 Jun/24/2020 06:09
462 E - DeadLee C++17 (GCC 7-32) data structures dfs and similar greedy implementation sortings *2400 Jun/24/2020 05:26
461 B - AccurateLee C++17 (GCC 7-32) greedy implementation strings *1200 Jun/23/2020 13:47
460 C - RationalLee C++17 (GCC 7-32) greedy math sortings two pointers *1400 Jun/23/2020 13:06
459 B - Alice and the List of Presents C++17 (GCC 7-32) combinatorics math *1500 Jun/23/2020 12:37
458 E - Two Small Strings C++17 (GCC 7-32) brute force constructive algorithms *1900 Jun/23/2020 12:17
457 D2 - Equalizing by Division (hard version) C++17 (GCC 7-32) brute force math sortings *1600 Jun/23/2020 11:48
456 D1 - Equalizing by Division (easy version) C++17 (GCC 7-32) brute force implementation *1500 Jun/23/2020 11:34
455 A - Summer Camp C++17 (GCC 7-32) implementation *800 Jun/23/2020 11:00
454 E - Special Permutations C++17 (GCC 7-32) math *2000 Jun/22/2020 11:58
453 C - Labs C++17 (GCC 7-32) constructive algorithms greedy implementation *1300 Jun/22/2020 08:45
452 D - Inversion Counting C++17 (GCC 7-32) brute force math *1800 Jun/22/2020 08:00
451 C - Three Garlands C++17 (GCC 7-32) brute force constructive algorithms *1400 Jun/22/2020 07:36
450 B - Two Cakes C++17 (GCC 7-32) binary search brute force implementation *1200 Jun/22/2020 06:03
449 A - Nearest Minimums C++17 (GCC 7-32) implementation *1100 Jun/22/2020 05:57
448 D - Odd-Even Subsequence C++17 (GCC 7-32) binary search dp dsu greedy implementation *2000 Jun/21/2020 07:39
447 C - Number Game C++17 (GCC 7-32) games math number theory *1400 Jun/21/2020 05:48
446 B - GCD Compression C++17 (GCC 7-32) constructive algorithms math number theory *1100 Jun/21/2020 05:14
445 A - Maximum GCD C++17 (GCC 7-32) greedy implementation math number theory *800 Jun/21/2020 05:03
444 B - Codeforces Subsequences C++17 (GCC 7-32) brute force constructive algorithms greedy math strings *1500 Jun/19/2020 04:52
443 A - C+= C++17 (GCC 7-32) brute force greedy implementation math *800 Jun/19/2020 04:25
442 C - Even Picture C++17 (GCC 7-32) constructive algorithms *1500 Jun/19/2020 04:18
441 D - AND, OR and square sum C++17 (GCC 7-32) bitmasks greedy math *1700 Jun/19/2020 03:53
440 B - Restricted RPS C++17 (GCC 7-32) constructive algorithms dp greedy *1200 Jun/17/2020 16:05
439 C - Berry Jam C++17 (GCC 7-32) data structures dp greedy implementation *1700 Jun/17/2020 15:14
438 C - Ivan the Fool and the Probability Theory C++17 (GCC 7-32) combinatorics dp math *1700 Jun/17/2020 14:47
437 C - Constanze's Machine C++17 (GCC 7-32) dp *1400 Jun/17/2020 14:31
436 C - The Football Season C++17 (GCC 7-32) brute force math number theory *2000 Jun/17/2020 14:23
435 D - Task On The Board C++17 (GCC 7-32) constructive algorithms greedy implementation sortings *1800 Jun/17/2020 06:02
434 B - Grow The Tree C++17 (GCC 7-32) greedy math sortings *900 Jun/17/2020 04:53
433 A - Integer Points C++17 (GCC 7-32) geometry math *1000 Jun/17/2020 04:48
432 B - Even Array C++17 (GCC 7-32) greedy math *800 Jun/16/2020 14:13
431 C - Social Distance C++17 (GCC 7-32) constructive algorithms greedy math *1300 Jun/16/2020 14:06
430 A - Short Substrings C++17 (GCC 7-32) implementation strings *800 Jun/16/2020 13:37
429 C - Restore Graph C++17 (GCC 7-32) dfs and similar graphs sortings *1800 Jun/16/2020 11:01
428 C - Mind Control C++17 (GCC 7-32) brute force data structures greedy math *1600 Jun/16/2020 09:59
427 D - Ehab's Last Corollary C++17 (GCC 7-32) constructive algorithms dfs and similar graphs greedy implementation trees *2100 Jun/14/2020 16:30
426 C - Ehab and Prefix MEXs C++17 (GCC 7-32) brute force constructive algorithms greedy *1600 Jun/14/2020 14:36
425 B - Most socially-distanced subsequence C++17 (GCC 7-32) greedy two pointers *1300 Jun/14/2020 08:49
424 A - XXXXX C++17 (GCC 7-32) brute force data structures number theory two pointers *1200 Jun/14/2020 07:16
423 D - Two Divisors C++17 (GCC 7-32) constructive algorithms math number theory *2000 Jun/13/2020 05:55
422 E - Two Arrays C++17 (GCC 7-32) binary search brute force combinatorics constructive algorithms dp two pointers *2100 Jun/12/2020 09:14
421 A - Shovels and Swords C++17 (GCC 7-32) binary search greedy math *1100 Jun/11/2020 13:10
420 C - Palindromic Paths C++17 (GCC 7-32) greedy math *1500 Jun/11/2020 11:52
419 B - Shuffle C++17 (GCC 7-32) math two pointers *1300 Jun/11/2020 11:11
418 B - Kill `Em All C++17 (GCC 7-32) greedy sortings *1300 Jun/11/2020 09:36
417 A - Mezo Playing Zoma C++17 (GCC 7-32) math *800 Jun/11/2020 04:35
416 D - Vasiliy's Multiset C++17 (GCC 7-32) binary search bitmasks data structures trees *1800 Jun/11/2020 04:18
415 A - Even Subset Sum Problem C++17 (GCC 7-32) brute force dp greedy implementation *800 Jun/10/2020 11:24
414 F - Swaps Again C++17 (GCC 7-32) constructive algorithms implementation sortings *2100 Jun/10/2020 09:51
413 E1 - Send Boxes to Alice (Easy Version) C++17 (GCC 7-32) greedy math number theory *1800 Jun/10/2020 08:55
412 E - Road to 1600 C++17 (GCC 7-32) brute force constructive algorithms *2400 Jun/09/2020 15:39
411 D - Feeding Chicken C++17 (GCC 7-32) greedy implementation *1700 Jun/09/2020 15:09
410 B - Fridge Lockers C++17 (GCC 7-32) graphs implementation *1100 Jun/09/2020 08:48
409 A - NP-Hard Problem C++17 (GCC 7-32) dfs and similar graphs *1500 Jun/09/2020 08:30
408 B - Divisor Subtraction C++17 (GCC 7-32) implementation math number theory *1200 Jun/09/2020 07:20
407 A - Perfect Permutation C++17 (GCC 7-32) implementation math *800 Jun/09/2020 06:50
406 A - Keyboard C++17 (GCC 7-32) implementation *900 Jun/09/2020 06:45
405 A - Ilya and Bank Account C++17 (GCC 7-32) implementation number theory *900 Jun/09/2020 06:40
404 A - Changing Volume C++17 (GCC 7-32) math *800 Jun/09/2020 06:35
403 D - Segment Tree C++17 (GCC 7-32) data structures dsu graphs trees *2100 Jun/08/2020 06:09
402 E - Cyclic Components C++17 (GCC 7-32) dfs and similar dsu graphs *1500 Jun/08/2020 01:51
401 D - Solve The Maze C++17 (GCC 7-32) constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths *1700 Jun/07/2020 14:55
400 B - Trouble Sort C++17 (GCC 7-32) constructive algorithms implementation *1300 Jun/07/2020 14:25
399 A - Matrix Game C++17 (GCC 7-32) games greedy implementation *1100 Jun/07/2020 14:22
398 C - Rotation Matching C++17 (GCC 7-32) constructive algorithms data structures greedy implementation *1400 Jun/07/2020 14:21
397 E - Maximum Subsequence Value C++17 (GCC 7-32) brute force constructive algorithms *1900 Jun/07/2020 14:20
396 A - Berland Poker C++17 (GCC 7-32) brute force greedy math *1000 Jun/06/2020 15:13
395 B - Magic Stick C++17 (GCC 7-32) math *1000 Jun/06/2020 14:44
394 A - BerOS file system C++17 (GCC 7-32) implementation *1700 Jun/06/2020 14:33
393 A - 123-sequence C++17 (GCC 7-32) implementation *900 Jun/06/2020 14:29
392 A - Prime Subtraction C++17 (GCC 7-32) math number theory *900 Jun/06/2020 14:26
391 A - Frog Jumping C++17 (GCC 7-32) math *800 Jun/06/2020 14:23
390 D - Divide by three, multiply by two C++17 (GCC 7-32) dfs and similar math sortings *1400 Jun/06/2020 14:19
389 D - Johnny and Contribution C++17 (GCC 7-32) constructive algorithms graphs greedy implementation sortings *1700 Jun/06/2020 10:35
388 D - Two Sets C++17 (GCC 7-32) 2-sat data structures graph matchings greedy *2000 Jun/05/2020 08:54
387 A - I Wanna Be the Guy C++17 (GCC 9-64) greedy implementation *800 Jun/05/2020 05:01
386 C - 24 Game C++17 (GCC 9-64) constructive algorithms implementation *1500 Jun/05/2020 04:52
385 A - Johnny and Ancient Computer C++17 (GCC 9-64) implementation *1000 Jun/04/2020 14:15
384 B - Johnny and His Hobbies C++17 (GCC 9-64) bitmasks brute force *1200 Jun/04/2020 14:12
383 C - Johnny and Another Rating Drop C++17 (GCC 9-64) bitmasks greedy math *1400 Jun/04/2020 14:11
382 C1 - Good Numbers (easy version) C++17 (GCC 9-64) brute force greedy implementation *1300 Jun/03/2020 15:31
381 C2 - Good Numbers (hard version) C++17 (GCC 9-64) binary search greedy math meet-in-the-middle *1500 Jun/03/2020 15:30
380 B1 - Books Exchange (easy version) C++17 (GCC 9-64) dsu math *1000 Jun/03/2020 14:59
379 B2 - Books Exchange (hard version) C++17 (GCC 9-64) dfs and similar dsu math *1300 Jun/03/2020 14:58
378 A - Exercising Walk C++14 (GCC 6-32) greedy implementation math *1100 Jun/02/2020 11:36
377 D - Guess The Maximums C++14 (GCC 6-32) binary search implementation interactive math *2100 Jun/02/2020 05:22
376 E - Tree Shuffling C++17 (GCC 7-32) dfs and similar dp greedy trees *2000 Jun/01/2020 15:25
375 E - Modular Stability C++17 (GCC 7-32) combinatorics math number theory *2000 Jun/01/2020 11:29
374 C - Game On Leaves C++17 (GCC 7-32) games trees *1600 Jun/01/2020 06:17
373 B - Subsequence Hate C++17 (GCC 7-32) implementation strings *1400 Jun/01/2020 05:25
372 A - Odd Selection C++17 (GCC 7-32) brute force implementation math *1200 Jun/01/2020 05:10
371 F - Spy-string C++17 (GCC 7-32) bitmasks brute force constructive algorithms dp hashing strings *1700 May/31/2020 09:59
370 E2 - Three Blocks Palindrome (hard version) C++17 (GCC 7-32) brute force data structures dp two pointers *1800 May/31/2020 09:34
369 B - New Theatre Square C++17 (GCC 7-32) brute force dp greedy implementation two pointers *1000 May/31/2020 09:01
368 H - Binary Median C++17 (GCC 7-32) binary search bitmasks brute force constructive algorithms *2100 May/31/2020 07:54
367 B - PIN Codes C++17 (GCC 7-32) greedy implementation *1400 May/29/2020 16:01
366 G - A/B Matrix C++17 (GCC 7-32) constructive algorithms greedy math *1900 May/29/2020 01:52
365 E - Polygon C++17 (GCC 7-32) dp graphs implementation shortest paths *1300 May/28/2020 07:25
364 D - Buying Shovels C++17 (GCC 7-32) math number theory *1300 May/28/2020 07:12
363 C - Similar Pairs C++17 (GCC 7-32) constructive algorithms graph matchings greedy sortings *1100 May/28/2020 07:05
362 B - Honest Coach C++17 (GCC 7-32) greedy sortings *800 May/28/2020 06:48
361 A - Minimal Square C++17 (GCC 7-32) greedy math *800 May/28/2020 06:45
360 E - Graph Coloring C++17 (GCC 7-32) dfs and similar dp graphs *2100 May/27/2020 13:10
359 E - Nearest Opposite Parity C++17 (GCC 7-32) dfs and similar graphs shortest paths *1900 May/27/2020 09:27
358 D - Remove One Element C++17 (GCC 7-32) brute force dp *1500 May/27/2020 08:56
357 B - Amr and Pins C++17 (GCC 7-32) geometry math *1400 May/27/2020 08:09
356 B - Random Teams C++17 (GCC 7-32) combinatorics constructive algorithms greedy math *1300 May/27/2020 08:03
355 A - Unimodal Array C++17 (GCC 7-32) implementation *1000 May/27/2020 07:49
354 A - Good Number C++17 (GCC 7-32) implementation *1100 May/27/2020 07:44
353 A - Prefixes C++17 (GCC 7-32) strings *800 May/27/2020 07:18
352 B - Long Number C++17 (GCC 7-32) greedy *1300 May/27/2020 07:13
351 C - Circle of Monsters C++17 (GCC 7-32) brute force constructive algorithms greedy math *1600 May/27/2020 07:06
350 D - The Best Vacation C++17 (GCC 7-32) binary search brute force greedy implementation two pointers *1900 May/27/2020 06:48
349 C - Celex Update C++17 (GCC 7-32) math *1600 May/27/2020 05:59
348 B - Maria Breaks the Self-isolation C++17 (GCC 7-32) greedy sortings *1000 May/26/2020 14:38
347 A - Park Lighting C++17 (GCC 7-32) greedy math *800 May/26/2020 14:29
346 D - Taxes C++17 (GCC 7-32) math number theory *1600 May/25/2020 16:52
345 C - Tennis Championship C++17 (GCC 7-32) combinatorics constructive algorithms greedy math *1600 May/25/2020 16:39
344 B - Modulo Sum C++17 (GCC 7-32) combinatorics data structures dp two pointers *1900 May/25/2020 15:09
343 D - Equalize the Remainders C++17 (GCC 7-32) data structures greedy implementation *1900 May/25/2020 04:51
342 C - Kuroni and Impossible Calculation C++17 (GCC 7-32) brute force combinatorics math number theory *1600 May/22/2020 11:17
341 C - A Tale of Two Lands C++17 (GCC 7-32) binary search sortings two pointers *1500 May/22/2020 06:15
340 B - One Bomb C++17 (GCC 7-32) implementation *1400 May/22/2020 05:44
339 A - IQ test C++17 (GCC 7-32) brute force *1300 May/22/2020 05:15
338 C - Arpa's loud Owf and Mehrdad's evil plan C++17 (GCC 7-32) dfs and similar math *1600 May/22/2020 04:51
337 F - Moving Points C++17 (GCC 7-32) data structures divide and conquer implementation sortings *1900 May/21/2020 14:40
336 D1 - Submarine in the Rybinsk Sea (easy edition) C++17 (GCC 7-32) combinatorics math number theory *1500 May/21/2020 10:49
335 E - Restorer Distance C++17 (GCC 7-32) binary search greedy math sortings ternary search *2100 May/21/2020 08:07
334 D - Beautiful Graph C++17 (GCC 7-32) dfs and similar graphs *1700 May/20/2020 05:53
333 C - Cd and pwd commands C++17 (GCC 7-32) *special problem data structures implementation *1400 May/19/2020 13:31
332 C - Substring Game in the Lesson C++17 (GCC 7-32) games greedy strings *1300 May/19/2020 12:56
331 A - System of Equations C++17 (GCC 7-32) brute force *800 May/19/2020 12:35
330 D - Orac and Medians C++17 (GCC 7-32) constructive algorithms greedy *2000 May/18/2020 12:53
329 D - Domino for Young C++17 (GCC 7-32) combinatorics constructive algorithms math *2000 May/18/2020 11:16
328 C - Count Triangles C++17 (GCC 7-32) binary search implementation math two pointers *1800 May/18/2020 10:59
327 C - Long Beautiful Integer C++17 (GCC 7-32) greedy implementation *1700 May/18/2020 10:36
326 D - Multiset C++17 (GCC 7-32) binary search data structures *1900 May/18/2020 10:13
325 D - Portals C++17 (GCC 7-32) data structures dp greedy implementation sortings *2100 May/18/2020 09:45
324 C - Shawarma Tent C++17 (GCC 7-32) brute force geometry greedy implementation *1300 May/18/2020 06:07
323 B - Blocks C++17 (GCC 7-32) greedy math *1300 May/18/2020 05:44
322 A - Suits C++17 (GCC 7-32) brute force greedy math *800 May/18/2020 05:30
321 E - Connected Component on a Chessboard C++17 (GCC 7-32) constructive algorithms implementation *1800 May/17/2020 15:29
320 C2 - Not So Simple Polygon Embedding C++17 (GCC 7-32) binary search brute force geometry math *2000 May/17/2020 11:23
319 D1 - RGB Substring (easy version) C++17 (GCC 7-32) implementation *1500 May/17/2020 09:54
318 D2 - RGB Substring (hard version) C++17 (GCC 7-32) data structures dp implementation two pointers *1600 May/17/2020 09:53
317 B - Ternary String C++17 (GCC 7-32) binary search dp implementation two pointers *1200 May/17/2020 07:42
316 A - Alarm Clock C++17 (GCC 7-32) math *900 May/17/2020 07:34
315 C1 - Simple Polygon Embedding C++17 (GCC 7-32) binary search geometry math ternary search *1400 May/17/2020 07:22
314 D - Game With Array C++17 (GCC 7-32) constructive algorithms math *1400 May/16/2020 11:33
313 B - Young Explorers C++17 (GCC 7-32) dp greedy sortings *1200 May/16/2020 11:03
312 A - Sequence with Digits C++17 (GCC 7-32) brute force implementation math *1200 May/16/2020 10:53
311 D - Welfare State C++17 (GCC 7-32) data structures implementation *1600 May/16/2020 09:07
310 B - Water Lily C++17 (GCC 7-32) geometry math *1000 May/16/2020 05:19
309 A - City Day C++17 (GCC 7-32) implementation *1000 May/16/2020 05:07
308 D - Harmonious Graph C++17 (GCC 7-32) constructive algorithms dfs and similar dsu graphs greedy sortings *1700 May/15/2020 12:39
307 E - K-periodic Garland C++17 (GCC 7-32) brute force dp greedy *1900 May/14/2020 12:16
306 A - Most Unstable Array C++17 (GCC 7-32) constructive algorithms greedy math *800 May/14/2020 11:24
305 B - Two Arrays And Swaps C++17 (GCC 7-32) greedy sortings *800 May/14/2020 11:13
304 C - Board Moves C++17 (GCC 7-32) math *1000 May/14/2020 11:04
303 D - Constructing the Array C++17 (GCC 7-32) constructive algorithms data structures sortings *1600 May/14/2020 10:56
302 C - Orac and LCM C++17 (GCC 7-32) math number theory *1600 May/14/2020 04:08
301 C - Creative Snap C++17 (GCC 7-32) binary search brute force divide and conquer math *1700 May/13/2020 14:33
300 B - Petr and a Combination Lock C++17 (GCC 7-32) bitmasks brute force dp *1200 May/13/2020 13:44
299 A - Mike and Fax C++17 (GCC 7-32) brute force implementation strings *1100 May/13/2020 13:32
298 B - Road Construction C++17 (GCC 7-32) constructive algorithms graphs *1300 May/13/2020 13:21
297 B - Relatively Prime Pairs C++17 (GCC 7-32) greedy math number theory *1000 May/13/2020 13:07
296 B - Orac and Models C++17 (GCC 7-32) dp math number theory *1400 May/13/2020 09:51
295 A - Orac and Factors C++17 (GCC 7-32) math *900 May/13/2020 07:10
294 B - Color the Fence C++17 (GCC 7-32) data structures dp greedy implementation *1700 May/11/2020 11:50
293 A - Divide it! C++17 (GCC 7-32) brute force greedy implementation *800 May/11/2020 11:05
292 B - Array Sharpening C++17 (GCC 7-32) greedy implementation *1300 May/11/2020 09:50
291 A - Even But Not Even C++17 (GCC 7-32) greedy math strings *900 May/11/2020 08:59
290 C - Yet Another Counting Problem C++17 (GCC 7-32) math number theory *1600 Apr/28/2020 06:59
289 D - Multiple Testcases C++17 (GCC 7-32) binary search constructive algorithms data structures greedy sortings two pointers *1900 Apr/28/2020 05:50
288 A - NEKO's Maze Game C++17 (GCC 7-32) data structures dsu implementation *1400 Apr/27/2020 11:40
287 B - JOE is on TV! C++17 (GCC 7-32) combinatorics greedy math *1000 Apr/27/2020 10:34
286 A - ConneR and the A.R.C. Markland-N C++17 (GCC 7-32) binary search brute force implementation *1100 Apr/27/2020 10:27
285 B - Binary Period C++17 (GCC 7-32) constructive algorithms strings *1100 Apr/26/2020 11:07
284 A - Road To Zero C++17 (GCC 7-32) greedy math *1000 Apr/26/2020 11:03
283 D - Fill The Bag C++17 (GCC 7-32) bitmasks greedy *1900 Apr/26/2020 10:12
282 D - Same GCDs C++17 (GCC 7-32) math number theory *1800 Apr/26/2020 07:40
281 C - Obtain The String C++17 (GCC 7-32) dp greedy strings *1600 Apr/26/2020 07:00
280 B - Infinite Prefixes C++17 (GCC 7-32) math strings *1700 Apr/26/2020 06:43
279 A - Display The Number C++17 (GCC 7-32) greedy *900 Apr/25/2020 09:47
278 C2 - Skyscrapers (hard version) C++17 (GCC 7-32) data structures dp greedy *1900 Apr/25/2020 07:12
277 C1 - Skyscrapers (easy version) C++17 (GCC 7-32) brute force data structures dp greedy *1500 Apr/25/2020 06:34
276 B - Mike and Feet C++17 (GCC 7-32) binary search data structures dp dsu *1900 Apr/24/2020 14:03
275 C - Nastya and Strange Generator C++17 (GCC 7-32) greedy implementation *1500 Apr/24/2020 10:14
274 A - Nastya and Rice C++17 (GCC 7-32) math *900 Apr/24/2020 09:28
273 B - Nastya and Door C++17 (GCC 7-32) greedy implementation *1300 Apr/24/2020 09:26
272 A - Ilya and a Colorful Walk C++17 (GCC 7-32) greedy implementation *1100 Apr/23/2020 08:38
271 A - Find Amir C++17 (GCC 7-32) constructive algorithms greedy math *1000 Apr/23/2020 08:17
270 B - Sherlock and his girlfriend C++17 (GCC 7-32) constructive algorithms number theory *1200 Apr/23/2020 08:07
269 A - Important Exam C++17 (GCC 7-32) implementation strings *900 Apr/23/2020 07:34
268 D - Walking Between Houses C++17 (GCC 7-32) constructive algorithms greedy *1600 Apr/23/2020 07:21
267 D - Constant Palindrome Sum C++17 (GCC 7-32) brute force data structures greedy two pointers *1700 Apr/23/2020 06:55
266 D - Minimum Euler Cycle C++17 (GCC 7-32) constructive algorithms graphs greedy implementation *1800 Apr/23/2020 06:18
265 B - Middle Class C++17 (GCC 7-32) greedy sortings *1100 Apr/22/2020 10:25
264 A - Level Statistics C++17 (GCC 7-32) implementation math *1200 Apr/22/2020 09:18
263 A - Candies C++17 (GCC 7-32) brute force math *900 Apr/22/2020 07:12
262 C - Alternating Subsequence C++17 (GCC 7-32) dp greedy two pointers *1200 Apr/22/2020 06:20
261 B - Balanced Array C++17 (GCC 7-32) constructive algorithms math *800 Apr/22/2020 06:02
260 C - Ayoub's function C++17 (GCC 7-32) binary search combinatorics greedy math strings *1700 Apr/21/2020 10:52
259 D - Book of Evil C++17 (GCC 7-32) dfs and similar divide and conquer dp trees *2000 Apr/20/2020 11:22
258 B - Psychos in a Line C++17 (GCC 7-32) data structures implementation *1900 Apr/18/2020 07:20
257 D - Xenia and Colorful Gems C++17 (GCC 7-32) binary search data structures implementation math sortings *1700 Apr/17/2020 15:38
256 D - Cow and Fields C++17 (GCC 7-32) binary search data structures dfs and similar graphs greedy shortest paths sortings *1900 Apr/16/2020 11:36
255 C - Linova and Kingdom C++17 (GCC 7-32) dfs and similar dp greedy sortings trees *1600 Apr/16/2020 08:48
254 B - Kana and Dragon Quest game C++17 (GCC 7-32) greedy implementation math *900 Apr/16/2020 07:17
253 A - Ichihime and Triangle C++17 (GCC 7-32) constructive algorithms math *800 Apr/16/2020 07:08
252 E1 - Three Blocks Palindrome (easy version) C++17 (GCC 7-32) binary search brute force data structures dp two pointers *1700 Apr/14/2020 07:47
251 D - Anti-Sudoku C++17 (GCC 7-32) constructive algorithms implementation *1300 Apr/14/2020 06:53
250 C - Two Teams Composing C++17 (GCC 7-32) binary search greedy implementation sortings *1100 Apr/14/2020 06:33
249 B - Construct the String C++17 (GCC 7-32) constructive algorithms *900 Apr/14/2020 06:17
248 A - Candies and Two Sisters C++17 (GCC 7-32) math *800 Apr/14/2020 06:10
247 D - Caesar's Legions C++17 (GCC 7-32) dp *1700 Apr/13/2020 14:12
246 B - The Fibonacci Segment C++17 (GCC 7-32) implementation *1100 Apr/13/2020 10:56
245 C - Product of Three Numbers C++17 (GCC 7-32) greedy math number theory *1300 Apr/13/2020 10:05
244 B - Anton and Digits C++17 (GCC 7-32) brute force greedy implementation math *800 Apr/13/2020 09:43
243 A - Insomnia cure C++17 (GCC 7-32) constructive algorithms implementation math *800 Apr/13/2020 09:35
242 A - Angry Students C++17 (GCC 7-32) greedy implementation *800 Apr/13/2020 08:41
241 C - Powered Addition C++17 (GCC 7-32) bitmasks brute force greedy *1500 Apr/12/2020 14:32
240 B - Sorted Adjacent Differences C++17 (GCC 7-32) constructive algorithms sortings *1200 Apr/12/2020 10:25
239 A - Filling Diamonds C++17 (GCC 7-32) brute force dp implementation math *900 Apr/12/2020 10:14
238 C - Tile Painting C++17 (GCC 7-32) number theory *1500 Apr/12/2020 09:27
237 C - Air Conditioner C++17 (GCC 7-32) dp greedy implementation sortings two pointers *1500 Apr/12/2020 09:15
236 A - Two Rabbits C++17 (GCC 7-32) math *800 Apr/12/2020 08:33
235 B - Longest Palindrome C++17 (GCC 7-32) brute force constructive algorithms greedy implementation strings *1100 Apr/12/2020 08:32
234 A - Maximum Square C++17 (GCC 7-32) implementation *800 Apr/12/2020 06:19
233 D - Minimax Problem C++17 (GCC 7-32) binary search bitmasks dp *2000 Apr/10/2020 15:42
232 C - Primitive Primes C++17 (GCC 7-32) constructive algorithms math ternary search *1800 Apr/10/2020 02:40
231 B - String Modification C++17 (GCC 7-32) brute force constructive algorithms implementation sortings strings *1400 Apr/10/2020 02:20
230 F - Kate and imperfection C++17 (GCC 7-32) greedy implementation math number theory sortings two pointers *2200 Apr/09/2020 15:34
229 B - Kind Anton C++17 (GCC 7-32) greedy implementation *1100 Apr/09/2020 08:57
228 A - Little Artem C++17 (GCC 7-32) constructive algorithms *1000 Apr/09/2020 08:44
227 D - Almost Acyclic Graph C++17 (GCC 7-32) dfs and similar graphs *2200 Apr/09/2020 08:26
226 B - Dreamoon Likes Permutations C++17 (GCC 7-32) implementation math *1400 Apr/08/2020 07:00
225 E - Subsequences (easy version) C++17 (GCC 7-32) dp graphs implementation shortest paths *2000 Apr/07/2020 10:12
224 B - Equalize Prices C++17 (GCC 7-32) math *900 Apr/07/2020 07:16
223 D - Candy Box (easy version) C++17 (GCC 7-32) greedy sortings *1400 Apr/07/2020 07:05
222 A - Nearest Interesting Number C++17 (GCC 7-32) implementation *800 Apr/07/2020 06:47
221 C - Cycle C++17 (GCC 7-32) dfs and similar graphs *2000 Apr/07/2020 06:37
220 C - Pipes C++17 (GCC 7-32) dp implementation *1500 Apr/07/2020 06:02
219 D - Navigation System C++17 (GCC 7-32) graphs shortest paths *1700 Apr/07/2020 05:57
218 C - Common Divisors C++17 (GCC 7-32) implementation math *1300 Apr/06/2020 10:08
217 D - Distinct Characters Queries C++17 (GCC 7-32) data structures *1600 Apr/06/2020 10:04
216 C - Perfect Team C++17 (GCC 7-32) binary search math *1200 Apr/06/2020 09:03
215 B - T-primes C++17 (GCC 7-32) binary search implementation math number theory *1300 Apr/06/2020 08:45
214 C - Number of Ways C++17 (GCC 7-32) binary search brute force data structures dp two pointers *1700 Apr/06/2020 08:35
213 A - Circle of Students C++17 (GCC 7-32) implementation *1000 Apr/06/2020 06:58
212 B1 - Social Network (easy version) C++17 (GCC 7-32) implementation *1000 Apr/06/2020 06:36
211 B2 - Social Network (hard version) C++17 (GCC 7-32) data structures implementation *1300 Apr/06/2020 06:34
210 A - Equalize Prices Again C++17 (GCC 7-32) math *800 Apr/06/2020 05:54
209 A - Cards C++17 (GCC 7-32) greedy implementation *800 Apr/05/2020 09:18
208 A - Grade Allocation C++17 (GCC 7-32) implementation *800 Apr/05/2020 08:23
207 D - Relatively Prime Graph C++17 (GCC 7-32) brute force constructive algorithms graphs greedy math *1700 Apr/04/2020 10:42
206 B - Minimum Ternary String C++17 (GCC 7-32) greedy implementation *1400 Apr/04/2020 09:12
205 A - Game Shopping C++17 (GCC 7-32) implementation *800 Apr/04/2020 09:00
204 B - Queries about less or equal elements C++17 (GCC 7-32) binary search data structures sortings two pointers *1300 Apr/04/2020 08:16
203 D - Road Map C++17 (GCC 7-32) dfs and similar graphs *1600 Apr/04/2020 08:09
202 D - Subway C++17 (GCC 7-32) dfs and similar graphs *1600 Apr/04/2020 07:29
201 F - Ehab's Last Theorem C++17 (GCC 7-32) constructive algorithms dfs and similar graphs greedy *2500 Apr/04/2020 06:59
200 B - Alternating Current C++17 (GCC 7-32) data structures greedy implementation *1600 Apr/03/2020 06:59
199 A - Deadline C++17 (GCC 7-32) binary search brute force math ternary search *1100 Apr/01/2020 09:00
198 C - Two Arrays C++17 (GCC 7-32) combinatorics dp *1600 Apr/01/2020 08:15
197 B - Yet Another Meme Problem C++17 (GCC 7-32) math *1100 Apr/01/2020 07:17
196 B - Maximum Absurdity C++17 (GCC 7-32) data structures dp implementation *1500 Mar/31/2020 09:34
195 D - Colored Boots C++17 (GCC 7-32) greedy implementation *1500 Mar/31/2020 08:30
194 A - Game 23 C++17 (GCC 7-32) implementation math *1000 Mar/31/2020 08:07
193 C - Polycarp Restores Permutation C++17 (GCC 7-32) math *1500 Mar/31/2020 07:56
192 B - Maximal Continuous Rest C++17 (GCC 7-32) implementation *900 Mar/31/2020 07:27
191 B - Kuroni and Simple Strings C++17 (GCC 7-32) constructive algorithms greedy strings two pointers *1200 Mar/30/2020 12:55
190 C - Nested Segments C++17 (GCC 7-32) greedy implementation sortings *1500 Mar/30/2020 09:35
189 A - Minimum Binary Number C++17 (GCC 7-32) implementation *800 Mar/30/2020 08:07
188 A - Little Pony and Crystal Mine C++17 (GCC 7-32) implementation *800 Mar/30/2020 06:23
187 A - Modular Exponentiation C++17 (GCC 7-32) implementation math *900 Mar/30/2020 06:16
186 A - Nearly Lucky Number C++17 (GCC 7-32) implementation *800 Mar/30/2020 06:10
185 C - Three Parts of the Array C++17 (GCC 7-32) binary search data structures two pointers *1200 Mar/29/2020 13:00
184 B - Interesting drink C++17 (GCC 7-32) binary search dp implementation *1100 Mar/29/2020 12:38
183 A - Kuroni and the Gifts C++17 (GCC 7-32) brute force constructive algorithms greedy sortings *800 Mar/29/2020 10:53
182 D - Cycle in Graph C++17 (GCC 7-32) dfs and similar graphs *1800 Mar/28/2020 07:47
181 B - Shooting C++17 (GCC 7-32) greedy implementation sortings *900 Mar/27/2020 08:15
180 A - Divisibility Problem C++17 (GCC 7-32) math *800 Mar/27/2020 07:17
179 B - K-th Beautiful String C++17 (GCC 7-32) binary search brute force combinatorics implementation math *1300 Mar/26/2020 15:20
178 B - Lost Numbers C++17 (GCC 7-32) brute force divide and conquer interactive math *1400 Mar/26/2020 10:44
177 D - Pair of Topics C++17 (GCC 7-32) binary search data structures sortings two pointers *1400 Mar/26/2020 09:49
176 E - Sleeping Schedule C++17 (GCC 7-32) dp implementation *1700 Mar/26/2020 09:34
175 D - Pashmak and Parmida's problem C++17 (GCC 7-32) data structures divide and conquer sortings *1800 Mar/26/2020 07:35
174 B - Vasya and Cornfield C++17 (GCC 7-32) geometry *1100 Mar/26/2020 07:01
173 A - Lunch Rush C++17 (GCC 7-32) implementation *900 Mar/26/2020 06:42
172 D - Fight Against Traffic C++17 (GCC 7-32) dfs and similar graphs shortest paths *1600 Mar/25/2020 11:33
171 A - Diagonal Walking C++17 (GCC 7-32) implementation *800 Mar/25/2020 10:54
170 B - String Typing C++17 (GCC 7-32) implementation strings *1400 Mar/25/2020 10:11
169 C - Game with Chips C++17 (GCC 7-32) constructive algorithms implementation *1600 Mar/24/2020 08:45
168 E - Count The Blocks C++17 (GCC 7-32) combinatorics dp math *1800 Mar/24/2020 08:04
167 B - Princesses and Princes C++17 (GCC 7-32) brute force graphs greedy *1200 Mar/24/2020 07:30
166 A - Sum of Odd Integers C++17 (GCC 7-32) math *1100 Mar/24/2020 06:32
165 D - Count the Arrays C++17 (GCC 7-32) combinatorics math *1700 Mar/24/2020 06:18
164 C - Adding Powers C++17 (GCC 7-32) bitmasks greedy implementation math number theory ternary search *1400 Mar/23/2020 07:40
163 B - Bogosort C++17 (GCC 7-32) constructive algorithms sortings *1000 Mar/23/2020 07:18
162 A - Two Regular Polygons C++17 (GCC 7-32) geometry greedy math number theory *800 Mar/23/2020 07:06
161 D - Ehab the Xorcist C++17 (GCC 7-32) bitmasks constructive algorithms greedy number theory *1700 Mar/23/2020 06:55
160 D - Minimum Triangulation C++17 (GCC 7-32) dp greedy math *1200 Mar/21/2020 11:11
159 B - Turn the Rectangles C++17 (GCC 7-32) greedy sortings *1000 Mar/21/2020 10:56
158 B - Weird Rounding C++17 (GCC 7-32) brute force greedy *1100 Mar/21/2020 10:47
157 A - I'm bored with life C++17 (GCC 7-32) implementation math number theory *800 Mar/21/2020 06:28
156 C - Birthday C++17 (GCC 7-32) binary search greedy sortings *1200 Mar/20/2020 14:08
155 A - 2048 Game C++17 (GCC 7-32) brute force greedy math *1000 Mar/20/2020 12:22
154 A - Bus to Udayland C++17 (GCC 7-32) brute force implementation *800 Mar/20/2020 12:15
153 A - String Task C++17 (GCC 7-32) implementation strings *1000 Mar/20/2020 11:56
152 A - Yet Another Dividing into Teams C++17 (GCC 7-32) math *800 Mar/20/2020 07:52
151 B - Tavas and SaDDas C++17 (GCC 7-32) bitmasks brute force combinatorics implementation *1100 Mar/20/2020 07:34
150 A - Again Twenty Five! C++17 (GCC 7-32) number theory *800 Mar/20/2020 07:18
149 A - Flipping Game C++17 (GCC 7-32) brute force dp implementation *1200 Mar/20/2020 07:15
148 C - Perform the Combo C++17 (GCC 7-32) brute force *1300 Mar/19/2020 08:53
147 B - WeirdSort C++17 (GCC 7-32) dfs and similar sortings *1200 Mar/19/2020 08:37
146 A - Add Odd or Subtract Even C++17 (GCC 7-32) greedy implementation math *800 Mar/19/2020 07:57
145 A - Ilya and Diplomas C++17 (GCC 7-32) greedy implementation math *1100 Mar/18/2020 11:32
144 A - Shaass and Oskols C++17 (GCC 7-32) implementation math *800 Mar/18/2020 11:09
143 A - Key races C++17 (GCC 7-32) math *800 Mar/18/2020 10:53
142 B - Yet Another Palindrome Problem C++17 (GCC 7-32) brute force strings *1100 Mar/18/2020 08:42
141 B - CopyCopyCopyCopyCopy C++17 (GCC 7-32) greedy implementation *800 Mar/18/2020 08:25
140 A - EhAb AnD gCd C++17 (GCC 7-32) constructive algorithms greedy number theory *800 Mar/18/2020 08:00
139 C - Songs Compression C++17 (GCC 7-32) sortings *1100 Mar/18/2020 07:35
138 A - Dubstep C++17 (GCC 7-32) strings *900 Mar/17/2020 14:28
137 C - Book Reading C++17 (GCC 7-32) math *1200 Mar/17/2020 08:17
136 B - Bad Prices C++17 (GCC 7-32) data structures implementation *1100 Mar/17/2020 07:17
135 A - Chips Moving C++17 (GCC 7-32) math *900 Mar/17/2020 06:58
134 A - Distinct Digits C++17 (GCC 7-32) brute force implementation *800 Mar/17/2020 06:48
133 A - Cut Ribbon C++17 (GCC 7-32) brute force dp *1300 Mar/17/2020 06:40
132 A - Kefa and First Steps C++17 (GCC 7-32) brute force dp implementation *900 Mar/17/2020 06:31
131 C - Frog Jumps C++17 (GCC 7-32) binary search data structures dfs and similar greedy implementation *1100 Mar/12/2020 10:23
130 A - Yet Another Tetris Problem C++17 (GCC 7-32) implementation number theory *900 Mar/12/2020 09:32
129 A - Fancy Fence C++17 (GCC 7-32) geometry implementation math *1100 Mar/12/2020 08:27
128 A - Heist C++17 (GCC 7-32) greedy implementation sortings *800 Mar/11/2020 13:30
127 A - Football C++17 (GCC 7-32) strings *1000 Mar/11/2020 13:21
126 A - Anton and Polyhedrons C++17 (GCC 7-32) implementation strings *800 Mar/11/2020 13:14
125 A - King Escape C++17 (GCC 7-32) dfs and similar graphs implementation *1000 Mar/11/2020 13:07
124 A - New Year and Hurry C++17 (GCC 7-32) binary search brute force implementation math *800 Mar/10/2020 11:10
123 B - Jzzhu and Sequences C++17 (GCC 7-32) implementation math *1300 Mar/10/2020 11:01
122 D - Flowers C++17 (GCC 7-32) dp *1700 Mar/10/2020 10:14
121 D - Connected Components C++17 (GCC 7-32) data structures dfs and similar dp dsu *1900 Mar/09/2020 09:16
120 C - Given Length and Sum of Digits... C++17 (GCC 7-32) dp greedy implementation *1400 Mar/09/2020 07:14
119 A - SwapSort C++17 (GCC 7-32) greedy implementation sortings *1200 Mar/09/2020 06:38
118 C - Drazil and Factorial C++17 (GCC 7-32) greedy math sortings *1400 Mar/08/2020 16:34
117 A - GukiZ and Contest C++17 (GCC 7-32) brute force implementation sortings *800 Mar/08/2020 15:17
116 B - Sale C++17 (GCC 7-32) greedy sortings *900 Mar/08/2020 15:00
115 A - Currency System in Geraldion C++17 (GCC 7-32) implementation sortings *1000 Mar/08/2020 10:40
114 C - Exams C++17 (GCC 7-32) greedy sortings *1400 Mar/08/2020 10:20
113 A - Towers C++17 (GCC 7-32) sortings *1000 Mar/08/2020 09:28
112 B - Sort the Array C++17 (GCC 7-32) implementation sortings *1300 Mar/08/2020 09:18
111 A - Business trip C++17 (GCC 7-32) greedy implementation sortings *900 Mar/08/2020 08:50
110 B - BerSU Ball C++17 (GCC 7-32) dfs and similar dp graph matchings greedy sortings two pointers *1200 Mar/06/2020 06:08
109 A - Team Olympiad C++17 (GCC 7-32) greedy implementation sortings *800 Mar/06/2020 05:11
108 D - Queue C++17 (GCC 7-32) greedy implementation sortings *1300 Mar/06/2020 05:08
107 A - Dragons C++17 (GCC 7-32) greedy sortings *1000 Mar/03/2020 13:20
106 A - Choosing Teams C++17 (GCC 7-32) greedy implementation sortings *800 Mar/03/2020 13:19
105 A - Buy a Shovel C++17 (GCC 7-32) brute force constructive algorithms implementation math *800 Mar/03/2020 13:02
104 B - Vanya and Lanterns C++17 (GCC 7-32) binary search implementation math sortings *1200 Mar/03/2020 12:53
103 C - Yet Another Walking Robot C++17 (GCC 7-32) data structures implementation *1500 Mar/02/2020 10:51
102 B - Food Buying C++17 (GCC 7-32) math *900 Mar/02/2020 09:36
101 A - Array with Odd Sum C++17 (GCC 7-32) math *800 Mar/02/2020 09:14
100 C - Roads in Berland C++17 (GCC 7-32) graphs shortest paths *1900 Mar/02/2020 08:32
99 D - Roads not only in Berland C++17 (GCC 7-32) dsu graphs trees *1900 Mar/02/2020 07:57
98 C - Pythagorean Triples C++17 (GCC 7-32) math number theory *1500 Feb/29/2020 07:01
97 B - Assigning to Classes C++17 (GCC 7-32) greedy implementation sortings *1000 Feb/29/2020 06:07
96 A - Amusing Joke C++17 (GCC 7-32) implementation sortings strings *800 Feb/28/2020 08:23
95 A - Love "A" C++17 (GCC 7-32) implementation strings *800 Feb/28/2020 08:15
94 B - Bakery C++17 (GCC 7-32) graphs *1300 Feb/28/2020 07:24
93 C - Lose it! C++17 (GCC 7-32) dp greedy implementation *1300 Feb/28/2020 06:31
92 B1 - Character Swap (Easy Version) C++17 (GCC 7-32) strings *1000 Feb/28/2020 04:55
91 B - Sereja and Suffixes C++17 (GCC 7-32) data structures dp *1100 Feb/28/2020 04:26
90 A - Collecting Coins C++17 (GCC 7-32) math *800 Feb/27/2020 11:23
89 A - Erasing Zeroes C++17 (GCC 7-32) implementation strings *800 Feb/27/2020 11:09
88 A - Compote C++17 (GCC 7-32) implementation math *800 Feb/27/2020 10:47
87 A - Two Substrings C++17 (GCC 7-32) brute force dp greedy implementation strings *1500 Feb/22/2020 12:13
86 B - Ania and Minimizing C++17 (GCC 7-32) greedy implementation *1000 Feb/22/2020 04:40
85 B - Obtaining the String C++17 (GCC 7-32) implementation *1200 Feb/22/2020 04:26
84 C - Meme Problem C++17 (GCC 7-32) binary search math *1300 Feb/22/2020 03:18
83 A - Die Roll C++17 (GCC 7-32) math probabilities *800 Feb/18/2020 11:21
82 C - Divisibility by Eight C++17 (GCC 7-32) brute force dp math *1500 Feb/18/2020 11:14
81 A - Black Square C++17 (GCC 7-32) implementation *800 Feb/18/2020 09:51
80 A - Non-zero C++17 (GCC 7-32) implementation math *800 Feb/17/2020 12:08
79 C - Lucky Numbers C++17 (GCC 7-32) combinatorics math *1100 Dec/30/2019 12:21
78 A - Arrays C++17 (GCC 7-32) sortings *900 Dec/30/2019 12:15
77 A - Minutes Before the New Year C++17 (GCC 7-32) math *800 Dec/30/2019 10:40
76 A - Cards C++17 (GCC 7-32) implementation sortings strings *800 Dec/30/2019 10:32
75 B - Mahmoud and a Triangle C++17 (GCC 7-32) constructive algorithms geometry greedy math number theory sortings *1000 Dec/26/2019 14:25
74 A - Shuffle Hashing C++17 (GCC 7-32) brute force implementation strings *1000 Dec/26/2019 04:54
73 A - Temporarily unavailable C++17 (GCC 7-32) implementation math *900 Dec/24/2019 10:13
72 B - Pashmak and Flowers C++17 (GCC 7-32) combinatorics implementation sortings *1300 Dec/24/2019 04:37
71 A - Vanya and Fence C++17 (GCC 7-32) implementation *800 Dec/24/2019 03:32
70 A - Happy Birthday, Polycarp! C++17 (GCC 7-32) implementation *1000 Dec/22/2019 14:52
69 D - Hexagons! C++17 (GCC 7-32) math *1100 Dec/22/2019 01:07
68 A - Suffix Three C++17 (GCC 7-32) implementation *800 Dec/19/2019 10:10
67 A - Even Odds C++17 (GCC 7-32) math *900 Dec/19/2019 09:33
66 A - Dice Rolling C++17 (GCC 7-32) math *800 Dec/19/2019 09:25
65 A - Magnets C++17 (GCC 7-32) implementation *800 Dec/18/2019 14:50
64 B - File Name C++17 (GCC 7-32) greedy strings *800 Dec/18/2019 14:45
63 A - Theatre Square C++17 (GCC 7-32) math *1000 Dec/18/2019 14:34
62 A - HQ9+ C++17 (GCC 7-32) implementation *900 Dec/18/2019 14:29
61 A - Boy or Girl C++17 (GCC 7-32) brute force implementation strings *800 Dec/18/2019 14:24
60 A - Stones on the Table C++17 (GCC 7-32) implementation *800 Dec/18/2019 14:20
59 C - Yet Another Broken Keyboard C++17 (GCC 7-32) combinatorics dp implementation *1200 Dec/16/2019 03:24
58 A - Three Friends C++17 (GCC 7-32) brute force greedy math sortings *900 Dec/16/2019 03:04
57 A - Team C++17 (GCC 7-32) brute force greedy *800 Dec/16/2019 01:16
56 A - Domino piling C++17 (GCC 7-32) greedy math *800 Dec/16/2019 01:11
55 A - Petya and Strings C++17 (GCC 7-32) implementation strings *800 Dec/16/2019 01:07
54 A - Young Physicist C++17 (GCC 7-32) implementation math *1000 Dec/16/2019 00:56
53 A - Beautiful Matrix C++17 (GCC 7-32) implementation *800 Dec/16/2019 00:51
52 A - Word Capitalization C++17 (GCC 7-32) implementation strings *800 Dec/16/2019 00:47
51 A - Ultra-Fast Mathematician C++17 (GCC 7-32) implementation *800 Dec/14/2019 13:04
50 A - Bear and Big Brother C++17 (GCC 7-32) implementation *800 Dec/14/2019 12:58
49 A - Bit++ C++17 (GCC 7-32) implementation *800 Dec/14/2019 12:52
48 B - Snow Walking Robot C++17 (GCC 7-32) constructive algorithms greedy implementation *1200 Dec/12/2019 09:27
47 A - Raising Bacteria C++17 (GCC 7-32) bitmasks *1000 Dec/10/2019 10:56
46 C - Registration System C++17 (GCC 7-32) data structures hashing implementation *1300 Dec/09/2019 12:36
45 A - Bachgold Problem C++17 (GCC 7-32) greedy implementation math number theory *800 Dec/09/2019 11:59
44 A - Elephant C++17 (GCC 7-32) math *800 Dec/08/2019 13:04
43 A - Make a triangle! C++17 (GCC 7-32) brute force geometry math *800 Dec/08/2019 12:59
42 B - A and B and Compilation Errors C++17 (GCC 7-32) data structures implementation sortings *1100 Dec/04/2019 11:24
41 B - Reversing Encryption C++17 (GCC 7-32) implementation *900 Dec/04/2019 09:17
40 B - Borze C++17 (GCC 7-32) expression parsing implementation *800 Dec/03/2019 12:34
39 A - Mishka and Contest C++17 (GCC 7-32) brute force implementation *800 Dec/03/2019 12:24
38 A - Hit the Lottery C++17 (GCC 7-32) dp greedy *800 Dec/03/2019 12:07
37 A - Restoring Three Numbers C++17 (GCC 7-32) math *800 Dec/03/2019 11:59
36 A - Hulk C++17 (GCC 7-32) implementation *800 Dec/03/2019 11:49
35 A - Gravity Flip C++17 (GCC 7-32) greedy implementation sortings *900 Nov/27/2019 10:33
34 A - Twins C++17 (GCC 7-32) greedy sortings *900 Nov/27/2019 10:26
33 A - Helpful Maths C++17 (GCC 7-32) greedy implementation sortings strings *800 Nov/27/2019 10:07
32 A - Word C++17 (GCC 7-32) implementation strings *800 Nov/25/2019 06:23
31 A - Pangram C++17 (GCC 7-32) implementation strings *800 Nov/25/2019 06:11
30 A - Translation C++17 (GCC 7-32) implementation strings *800 Nov/25/2019 05:57
29 A - Chat room C++17 (GCC 7-32) greedy strings *1000 Nov/25/2019 05:48
28 A - Football C++17 (GCC 7-32) implementation strings *900 Nov/25/2019 05:23
27 A - Fashion in Berland C++17 (GCC 7-32) implementation *1000 Nov/25/2019 05:13
26 A - Two Bags of Potatoes C++17 (GCC 7-32) greedy implementation math *1200 Nov/25/2019 05:00
25 A - Johny Likes Numbers C++17 (GCC 7-32) implementation math *800 Nov/25/2019 04:50
24 B - Xenia and Ringroad C++17 (GCC 7-32) implementation *1000 Nov/25/2019 04:45
23 A - Pineapple Incident C++17 (GCC 7-32) implementation math *900 Nov/14/2019 15:06
22 A - Little Artem and Presents C++17 (GCC 7-32) math *800 Nov/11/2019 11:37
21 A - Cifera C++17 (GCC 7-32) math *1000 Nov/11/2019 11:23
20 A - Chips C++17 (GCC 7-32) implementation math *800 Nov/11/2019 11:04
19 A - Professor GukiZ's Robot C++17 (GCC 7-32) implementation math *800 Nov/11/2019 10:58
18 A - Digital Counter C++17 (GCC 7-32) implementation *1100 Nov/10/2019 14:00
17 A - Life Without Zeros C++17 (GCC 7-32) implementation *1000 Nov/10/2019 12:13
16 A - Alyona and Numbers C++17 (GCC 7-32) constructive algorithms math number theory *1100 Nov/10/2019 11:47
15 A - Cookies C++17 (GCC 7-32) implementation *900 Nov/10/2019 11:15
14 A - Bear and Game C++17 (GCC 7-32) implementation *800 Nov/10/2019 11:07
13 A - Playing with Dice C++17 (GCC 7-32) brute force *800 Nov/10/2019 10:58
12 A - Queue on Bus Stop C++17 (GCC 7-32) implementation *1000 Nov/10/2019 10:47
11 A - Lucky Ticket C++17 (GCC 7-32) implementation *800 Nov/10/2019 10:18
10 A - Wrong Subtraction C++17 (GCC 7-32) implementation *800 Nov/08/2019 03:50
9 A - Payment Without Change C++17 (GCC 7-32) math *1000 Nov/06/2019 08:07
8 A - Beautiful Year C++17 (GCC 7-32) brute force *800 Nov/06/2019 07:14
7 A - Cinema Line C++17 (GCC 7-32) greedy implementation *1100 Nov/06/2019 07:04
6 A - Jzzhu and Children GNU C++11 implementation *1000 Nov/05/2019 11:33
5 A - Vanya and Cards GNU C++11 implementation math *800 Nov/05/2019 11:02
4 B - Vanya and Books GNU C++11 implementation math *1200 Nov/05/2019 10:33
3 A - Multiplication Table GNU C++11 implementation number theory *1000 Nov/05/2019 10:04
2 A - Police Recruits GNU C++11 implementation *800 Nov/05/2019 09:46
1 A - Chewbaсca and Number GNU C++11 greedy implementation *1200 Nov/05/2019 09:24

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