func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       long long int a, b, ans = 0;       cin >> a >> b;       ans = min(a, b);       ans = min(ans, (a + b) / 3);       cout << ans << endl;     }     return 0;   }   