题解 | #蛇形矩阵#

#include<iostream>
using namespace std;
int main()
{
    int a;
    while (cin >> a)
    {
        int m = 1;
        for (int i = 0; i < a; i++)//每行
        {
            m += i;
            cout << m << " ";//第一列
            int n = m;
            for (int j = i + 1; j < a; j++)//列数等于a-i
                cout << (n += j+1) << " ";//比上一个多 行数加列数
            cout << endl;
        }
    }
}