Leetcode 209. Minimum Size Subarray Sum

文章作者：Tyan
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1. Description

Minimum Size Subarray Sum

2. Solution

class Solution {
public:
    int minSubArrayLen(int s, vector& nums) {
        int index = 0;
        int minimum = INT_MAX;
        for(int i = 0; i < nums.size(); i++) {
            s = s - nums[i];
            while(s <= 0) {
                minimum = min(minimum, i - index + 1);
                s += nums[index++];
            }
        }
        if(minimum == INT_MAX) {
            return 0;
        }
        return minimum;
    }
};

Reference

1. https://leetcode.com/problems/minimum-size-subarray-sum/description/