C语言 | Leetcode C语言题解之第396题旋转函数

题目：

题解：

#define MAX(a, b) ((a) > (b) ? (a) : (b))int maxRotateFunction(int* nums, int numsSize){int f = 0, numSum = 0;for (int i = 0; i < numsSize; i++) {f += i * nums[i];numSum += nums[i];}int res = f;for (int i = numsSize - 1; i > 0; i--) {f += numSum - numsSize * nums[i];res = MAX(res, f);}return res;
}