Problem: Contest Page | CodeChef
DIFFICULTY:
EASY.
PROBLEM:
The chef is trying to solve some pattern problems, Chef wants your help to code it. Chef has one number K to form a new pattern. Help the chef to code this pattern problem.
Program:
#include<bits/stdc++.h>
using namespace std;
int main()
{
//code
int t;
cin>>t;
while(t--){
int n;
cin>>n;
int x=0,y=2*n;
for(int i=1;i<2*n;i++){
for(int j=1;j<2*n;j++){
if(j>x && j<y)cout<<j;
else cout<<" ";
}
if(i<n){
x++;y--;
}
else{
x--;y++;
}
cout<<endl;
}
}
}