Initial commit

2025-07-27 23:27:40 +08:00
commit d935d0698d
5 changed files with 106 additions and 0 deletions
--- a/1-1-two-sum.cpp
+++ b/1-1-two-sum.cpp
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int *twoSum(int *nums, int numsSize, int target, int *returnSize) {
+    int *ans = (int *)malloc(2 * sizeof(int));
+    *returnSize = 2;
+    for (int i = 0; i < numsSize - 1; i++) {
+        for (int j = i + 1; j < numsSize; j++) {
+            if (nums[i] + nums[j] == target) {
+                ans[0] = i;
+                ans[1] = j;
+                return ans;
+            }
+        }
+    }
+    return ans;
+}
+
+int main() {
+    int nums[] = {3,3};
+    int target = 6;
+    int *ans = NULL;
+    int ans_size = 0;
+    ans = twoSum(nums, sizeof(nums) / sizeof(int), target, &ans_size);
+    printf("size = %d, ans = [%d, %d]\n", ans_size, ans[0], ans[1]);
+    free(ans);
+    return 0;
+}