func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int64_t t, a, b;     cin >> t;     while (t--) {       cin >> a >> b;       cout << max(a, max(b, min(a, b) * 2)) * max(a, max(b, min(a, b) * 2))            << endl;     }   }   