Codeforces 1352C. K-th Not Divisible by n Solution

Solution in C++:

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

///AH Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh   

#include<bits/stdc++.h>

using namespace std;

int main()

{

  long long  t,i,n,k,r;

  cin>>t;

  while(t--)

  {

      cin>>n>>k;

      cout<<k+((k-1)/(n-1))<<endl;

  }

}