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