Time: 37 ms (28.61%) | Memory: 21.1 MB (62.43%) - LeetSync

Author: sayandip20

49-group-anagrams/group-anagrams.cpp

@@ -0,0 +1,16 @@
+class Solution {
+public:
+    vector<vector<string>> groupAnagrams(vector<string>& strs) {
+        unordered_map<string, vector<string>> mp;
+        for (string s : strs) {
+            string t = s; 
+            sort(t.begin(), t.end());
+            mp[t].push_back(s);
+        }
+        vector<vector<string>> anagrams;
+        for (auto p : mp) { 
+            anagrams.push_back(p.second);
+        }
+        return anagrams;
+    }
+};