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