Add files via upload

Author: Jiao-Nan

Build/A.c

@@ -0,0 +1 @@
+int g_val=2023;

Build/Acc.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int a=0,n;
+    printf("请输入要累加的数：");
+    scanf("%d",&n);
+    for (int i = 1; i <= n; i++)
+    {
+        a+=i;
+    }
+    printf("%d累加的结果是：%d\n",n,a);
+    system("pause");
+    return 0;
+}

Build/AddFactorial.c

@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int a=1,sum=0;
+    int i,n;
+    printf("输入一个数以求阶乘：");
+    scanf("%d",&n);
+    for(i=1;i<=n;i++)
+    {
+        a*=i;
+        sum+=a;
+    }
+    printf("%d的阶乘为：%d\n",n,a);
+    printf("%d的累加阶乘为：%d\n",n,sum);
+    system("pause");
+    return 0;
+}
+
+//#include "stdio.h"
+//
+//long long int FAC(int n) {
+//    long long int a;
+//    long long int b = 1;
+//    for (int i = 2; i <= n; i++) {
+//        a = b * i;
+//        b = a;
+//    }
+//    return b;
+//}
+//
+//int main() {
+//    int i, x;
+//    printf("请输入需要累加阶乘的数字：");
+//    scanf(" %d", &x);
+//    long long int m = 0, n;
+//    for (i = 1; i <= x; i++) {
+//        n = m + FAC(i);
+//        m = n;
+//    }
+//    printf("%lld", m);
+//    return 0;
+//}
+
+
+

Build/Array.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main() {
+    int arr[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    int i = 0;
+    do {
+        printf("%d ", arr[i]);
+        i++;
+    } while (i < 10);
+    return 0;
+}

Build/B.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main() {
+    extern int g_val;
+    printf("%d\n", g_val + 1);
+    return 0;
+}

Build/Callback.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void print_normal(int i) {
+    printf("%d ", i);
+}
+
+void print_sub2(int i) {
+    printf("%d ", i - 2);
+}
+
+void print_sub3(int i) {
+    printf("%d ", i - 3);
+}
+
+void print_all(int *a, void (*p)(int)) {
+    for (int i = 0; i < 5; i++) {
+        (*p)(*(a + i));
+    }
+    puts("");
+}
+
+int main() {
+    int a[5] = {6, 7, 8, 9, 10};
+    print_all(a, print_sub2);
+
+    system("pause");
+    return 0;
+}

Build/Factorial.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+    int n = 0, i;
+    long long int b = 1;
+    printf("ÊäÈëÒ»¸öÊý£º");
+    scanf(" %d", &n);
+    for (i = 2; i <= n; i++) {
+        b = b * i;
+    }
+    printf("%dµÄ½×³ËΪ:%lld", n, b);
+    return 0;
+}

Build/Fileinformation.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <time.h>
+
+int main(int argc, char *argv[]) {
+    DIR *dp;
+    struct dirent *dt;
+    struct stat buf;
+    struct tm *t;
+    if ((dp = opendir("D:/Clion/CProject/Build")) == NULL) {
+        perror("");
+        return -1;
+    }
+    while ((dt = readdir(dp))) {
+        char x[100]="D:/Clion/CProject/Build/";
+        printf("%s", dt->d_name);
+        if ((stat(strcat(x,dt->d_name), &buf)) < 0) {
+            perror("");
+            return -2;
+        }
+        printf("             ´óС£º%d×Ö½Ú", (int) buf.st_size);
+        t = localtime(&buf.st_ctime);
+        printf("             ÈÕÆÚ£º%d-%d-%d\n", t->tm_year, t->tm_mon, t->tm_mday);
+    }
+    closedir(dp);
+    system("pause");
+    return 0;
+}

Build/Find.c

@@ -0,0 +1,32 @@
+#include "stdio.h"
+#include "stdlib.h"
+
+int main() {
+    int a[10]= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    int key;
+    int left = 0;
+    int right =(sizeof(a) / sizeof(a[0]))-1;
+    printf("输入要寻找的数：");
+    scanf(" %d",&key);
+    while (left <= right)
+    {
+        int mid = (left + right) / 2;
+        if (key < a[mid])
+        {
+            right = mid - 1;
+        } else if (key > a[mid]) {
+            left = mid + 1;
+        }
+        else
+        {
+            printf("找到了，下标为:%d\n", mid);
+            break;
+        }
+    }
+    if (left > right)
+    {
+        printf("没找到。");
+    }
+    system("pause");
+    return 0;
+}

Build/Function.c

@@ -0,0 +1,12 @@
+#include<stdio.h>
+
+int Add(int x, int y) {
+    int z = x + y;
+    return z;
+}
+
+int main() {
+    int a = 3, b = 4;
+    int c = Add(a, b);
+    printf("%d", c);
+}