#include<bits/stdc++.h> using namespace std; long long 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){ a[i][j] = 1; }else if(i == j){ a[i][j] = 1; }else{ a[i][j] = a[i-1][j]+a[i-1][j-1]; } cout << a[i][j] << " "; } cout << endl; } return 0; }