题解 | #蛇形矩阵#

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            int n = sc.nextInt();
            // 输出值
            int y = 1;  //列起始值
            int yCount = 1;  //列间隔起始值
            // 外层控制行，内层控制列
            for(int i = 1;i <= n;i++){
                int x = y; //行起始值
                int xCount = i + 1; //行间隔起始值
                for(int j = 1 ;j <= n-i+1;j++){ //列循环次数
                    if(j == n-i+1){
                        System.out.println(x);
                    }else{
                        System.out.print(x + " ");
                    }
                    x = x + xCount;
                    xCount++;
                }
                y = y + yCount;
                yCount++;
            }
        }
    }
}