# include<iostream> using namespace std; int main(){ int n,a[21][21]; cin>>n; for(int i=0;i<n;i++){ for(int j=i;j<n;j++){ for(int k=i;k<n;k++){ a[k][j]=i+1; } } } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cout<<a[i][j]<<" "; }cout<<endl; } return 0; }