Contest1401/K.java

import java.util.Scanner;

public class K {
    public static void main(String[] args) {
        while (cin.hasNext()) {
            int n = cin.nextInt();
            int[][] a = new int[n][n];
            for (int i = 0; i < n; i++) a[i][0] = a[i][i] = 1;
            for (int i = 2; i < n; i++) for (int j = 1; j <= i - 1; j++) a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
            for (int i = 0; i < n; i++) {
                for (int j = 0; j <= i; j++) {
                    System.out.print(a[i][j] + " ");
                }
                System.out.println();
            }
            System.out.println();
        }
        cin.close();

    }

    static Scanner cin = new Scanner(System.in);
}