1914B - Preparing for the Contest - CodeForces Solution

#include<bits/stdc++.h>
using namespace std;
int main()
{
    long long int t;
    cin>>t;
    while(t--)
    {
        long long int n,k;
        cin>>n>>k;
 
 
  for(long long int i=1;i<=k;i++)
  {
       cout<<i<<" ";
  }
 
  for(long long int i=n;i>=k+1;i--)
  {
  cout<<i<<" ";
  }
 
  cout<<endl;
    }
    return 0;
}