HDOJ 2153 仙人球的残影(水题)

HDACM 2153

java.util.Scanner;

public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            int n = sc.nextInt();
            if (n==0) {
                break;
            }
            if (n==1) {
                System.out.println("  1");
                continue;
            }
            int m = n*n-(n-2)*(n-2);
            for (int i = 0; i < n; i++) {
                if (i==0) {
                    for (int j = 0; j < n; j++) {
                        System.out.printf("%3d",j+1);
                    }
                    System.out.println();
                    continue;
                }
                if (i==n-1) {
                    for (int j = 0; j < n; j++) {
                        System.out.printf("%3d",m-n-j+2);
                    }
                    System.out.println();
                    continue;
                }
                for (int j = 0; j < n; j++) {
                    if (j==0) {
                        System.out.printf("%3d",m-i+1);
                        continue;
                    }
                    if (j==n-1) {
                        System.out.printf("%3d",n+i);
                        System.out.println();
                        continue;
                    }
                    System.out.print("   ");
                }
            }
        }
        sc.close();
    }
}