⭐️ 题目描述

🌟 leetcode链接:一维数组的动态和
ps: 动态数组求和其实就是当前 i 位置的值等于 0 - i 的求和,控制好循环条件即可。
代码:
/**
 * Note: The returned array must be malloced, assume caller calls free().
 */
int* runningSum(int* nums, int numsSize, int* returnSize){
    *returnSize = numsSize;
    int * ans = (int*)calloc(numsSize , sizeof(int));
    for (int i = 0; i < numsSize; i++) {
        int j = 0;
        for (j = 0; j <= i; j++) {
            ans[i] += nums[j];
        }
    }
    return ans;
}
 



















