func_code_string: #include <bits/stdc++.h>   using namespace std;   int maxn = 1000000000;   int main(int argc, char const *argv[]) {     int t;     cin >> t;     while (t--) {       int a, b;       cin >> a >> b;       if (a > b) a = a + b, b = a - b, a = a - b;       int side = max(2 * a, b);       cout << side * side << endl;     }   }   