// 1749. Maximum Absolute Sum of Any Subarray #include "leetcode.h" /* * you are given an integer array 'nums'. the absolute sum of a subarray '[nums, * nums[i + 1], ..., nums[r]]' is 'abs(nums, nums[i], ..., nums[r])'. return the * maximum absolute sum of any (possibly empty) subarray of 'nums'. note that * 'abs(x)' is defined as follows: if 'x' is negative integer, then 'abs(x) = * -x'. if 'x' is a non negative integer, then 'abs(x) = x' */ int maxAbsoluteSum(int *nums, int numsSize) { int total = 0, min = 0, max = 0; for (int i = 0; i < numsSize; i++) { total += nums[i]; min = fmin(min, total); max = fmax(max, total); } return max - min; } int main() { int n1[] = {1, -3, 2, 3, -4}, n2[] = {2, -5, 1, -4, 3, -2}; printf("%d\n", maxAbsoluteSum(n1, ARRAY_SIZE(n1))); // expect: 5 printf("%d\n", maxAbsoluteSum(n2, ARRAY_SIZE(n2))); // expect: 8 }