class Solution {

public:

vector<int> twoSum(vector<int>& nums, int target) {

vector<int> res;

for(int i = 0; i < nums.size() - 1; ++i){

for(int j = i+1; j < nums.size(); ++j)

if(nums[i]+nums[j] == target){

res.push_back(i);

res.push_back(j);

}

}

return res;

}

};