输出10*10蛇形排列矩阵

#include<iostream>
using namespace std;
int main()
{
int i, j, a[100][100], k, m;
int n = 1, p = 2;
k = 0;
int num = 0;
for (k = 0; k < 10; k++)
{
m = k % 2;
if (m == 0)
{
for (i = 0; i < k + 1; i++)
{
a[i][k - i] = num;
num++;
}
}
else
{
for (i = k; i >= 0; i--)
{
a[i][k - i] = num;
num++;
}
}
}
for (k = 10; k <= 18; k++)
{
m = k % 2;
if (m == 0)
{
for (i = n; i < 10; i++)
{
a[i][k - i] = num;
num++;
}
n = n + 2;
}
else
{
for (i = 9; i >= p; i--)
{
a[i][k - i] = num;
num++;
}
p = p + 2;
}
}
for (i = 0; i < 10; i++)
{
for (j = 0; j < 10; j++)
{
if (a[i][j] < 10)
{
cout << "0" << a[i][j] << " ";
}
else
{
cout << a[i][j] << " ";
}
}
cout << endl;
}
}