题解 | 蛇形矩阵

import java.util.*;
public class Main {
    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int sumj=1;
        int addj = 0;
        int addadd=1;
        for (int j = 0; j < n; j++) {
            int sum = sumj;
            int add = addadd;
            for (int i = 0; i < n-j; i++) {
                System.out.print(sum);
                if(i!=n-j-1){
                    System.out.print(" ");
                }
                add++;
                sum += add;
                
            }
            if(j!=n-1){
                System.out.println();
            }
            addj++;
            sumj += addj;
            addadd++;
        }

    }
}

代码思想是一行一行的输出。