Codeforces Round #816 (Div. 2) 1715A - Crossmarket Solution

 Problem Link: https://codeforces.com/contest/1715/problem/A

Solution in C++:

///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

///**********ALLAH IS ALMIGHTY************///

#include <bits/stdc++.h>

using namespace std;

#define ll long long int

int main()

{

    ios_base::sync_with_stdio(0);

    cin.tie(0);

    ll  n,t,i,j,f;

    cin>>t;

    while(t--)

    {

       ll m;

       cin>>n>>m;

       if(n==1&&m==1)

       cout<<"0"<<endl;

       else

       {

           if(m>n)

            swap(n,m);

           cout<<2*(m-1)+n<<endl;

       }

    }

}