#include<bits/stdc++.h> using namespace std; int main(){ int a[31][31]; memset(a,0,sizeof(a)); a[1][1] = 1; a[2][1] = 1; a[2][2] = 1; int n; cin >> n; for(int i = 3;i <= n;i++){ 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 << endl; } return 0; }