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

for (size_t i=0; i<nums.size(); ++i)

{

vector<int>::iterator pos = find(nums.begin(), nums.end(), target-nums[i]);

if ( pos != nums.end() && pos - nums.begin() != i)

{

vector<int> res;

res.push_back(i);

res.push_back(pos-nums.begin());

return res;

}

}

vector<int> res;

return res;

}

{

Solution solution;

vector<int> nums;

nums.push_back(2);

nums.push_back(7);

nums.push_back(11);

nums.push_back(15);

int target = 9;

vector<int> res = solution.twoSum(nums, target);

cout << res[0] << ", " << res[1] << endl;

return 0;

}