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