#include<iostream> #include<cstdio> #include<cstring> using namespace std; int main() { int n,a[30][30]={0}; cin>>n; a[0][0]=1; for(int i=1;i<n;i++){ for(int j=0;j<=i;j++){ if(j==0||i==j){ a[i][j]=i+1; } else{ a[i][j]=a[i-1][j-1]+a[i-1][j]; } } } for(int i=0;i<n;i++){ for(int j=0;j<=i;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }