K-th Not Divisible by n.cpp

#include <bits/stdc++.h>
using namespace std;

#define int long long int
#define S string
#define vi vector<int>
#define V vector
#define usii unordered_set<int,int>
#define umii unordered_map<int,int>
#define um unordered_map
#define us unordered_set
#define bg begin()
#define ed end()
#define pb push_back
#define forloop for(int i=0;i<n;i++)
#define nl '\n'
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
void solve()
{
    int n,k;
    cin>>n>>k;
    int div=k/(n-1);
    int rem=k%(n-1);
    if(rem==0){
        cout<<(n*div)-1<<nl;
    }
    else
    {


         cout<<(n*div)+rem<<nl;
    }


}

signed main()
{
    int t=1;
    cin>>t;
    while(t--)
    {
        solve();
    }

    return 0;
}