func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 2e5 + 10;   vector<int> sol;   set<int> fac;   int main() {     ios_base::sync_with_stdio, cin.tie(0), cout.tie(0);     int n;     cin >> n;     while (n--) {       int a, b;       cin >> a >> b;       cout << a + b << endl;     }   }   