func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       long long int n, r, an;       cin >> n >> r;       if (r < n)         an = (r) * (r + 1) / 2;       else {         an = (n) * (n - 1) / 2;         an++;       }       cout << an;       cout <<   n ;     }   }   