2 3

1
1 1

1
1 1
1 2 1

#include <iostream>
using namespace std;

int main()
{
	int a[40][40];
	int c[40][40];
	int n;
	for (int i=0; i<40; i++)
	{
		for (int j=0; j<40; j++)
		{
			if (i==j)
				c[i][j]=1;
			c[i][0]=1;
		}
	}
	while (cin >> n)
	{
		if (n==1)
			cout << 1<<endl;
		else if (n==2)
		{
			cout << 1<< endl;
			cout << 1<< " " << 1 << endl;
		}
		else
		{
			for (int i=2; i<n; i++)
			{
				for (int j=1; j<i; j++)
					c[i][j]= c[i-1][j]+c[i-1][j-1];
			}
			for (int i=0; i<n; i++)
			{
				for (int j=0; j<i; j++)
				{
					cout << c[i][j] << " ";
				}
				cout << c[i][i];
				cout <<endl;
			}
		}
		cout << endl; 
	}
	return 0;
}