两数之和

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