func_code_string: #include <iostream>   using namespace std;   int main()   {       ios::sync_with_stdio(0);       int t; cin >> t;       while(t--)       {           int x,y;           cin >> x >> y;           cout << 2*max(x,y) - (min(x,y) != max(x,y)) <<   n ;       }       return 0;   }   