#include<iostream>
using namespace std;
int main()
{
int N;
cin >> N;
int low=1,up;
for(int i = 0;i < N;i ++)
{
low += i;
up = low;
cout << low;
printf(" ");
for(int j = i + 1;j < N;j ++)
{
up += j + 1;
cout << up;
printf(" ");
}
cout << endl;
}
cout << endl;
}
C语言网题目 1097: 蛇行矩阵
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