LeetCode 1 Two Sum

​​题目​​

class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
        
        vector<int> res;
        
        for(int i=0;i<nums.size();i++)
        {
            for(int j=i+1;j<nums.size();j++)
            {
                if(nums[i]+nums[j]==target)
                {
                    res.push_back(i);
                    res.push_back(j);
                   break;
                }
            }
        }
        return res;
        
    }
};