题目描述

代码：

class Solution {
public:bool findSubarrays(vector<int>& nums) {int len = nums.size();if(len <=2)return false;unordered_set<int> table;int sum = 0;for(int i = 1;i < len;i++){sum = nums[i-1]+nums[i];if(table.contains(sum)){return true;}table.insert(sum);}return false;}
};