1743B - Permutation Value - CodeForces Solution

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
    ll t;
    cin>>t;
    while(t--){
      ll n;
      cin>>n;
      ll a[n];
      ll i=0;
      ll j=1;
      while(i<n/2){
          a[i]=j;
          j++;
          a[n-1-i]=j;
          j++;
          i++;
      }
      if(n%2==1){
          a[n/2]=n;
      }
      for(ll k=0;k<n;k++){
          cout<<a[k]<<" ";
      }
      cout<<endl;
    }
	return 0;
}