1096문제

int main() {
	int n, i, j,x, y;
	int a[20][20] = {};
	cin >> n;
	for ( i = 1; i <= n; i++)
	{
		cin >> x>>y;
		a[x][y] = 1;
	}
	for ( i = 1; i < 19; i++)
	{
		for (j = 1; j < 19; j++)
		{
		  cout <<a[i][j] ;
		}
		cout << "\n";
	}
	return 0;

}