#include<iostream> using namespace std; int a[31][31]; int n; int main(){ cin >> n; for(int i=0;i<=n;i++){ for(int j=0;j<=n;j++){ a[i][j]=1; } } for(int i=2;i<=n;i++){ for(int j=1;j<=i;j++){ a[i][j]=a[i-1][j-1]+a[i-1][j]; } } for(int i=1;i<=n;i++){ for(int j=1;j<=i;j++){ cout<< a[i][j] << " "; } cout << endl; } return 0; }