题解 | #空心正方形图案#
空心正方形图案
https://www.nowcoder.com/practice/72347ee949dc47399186ee183632f303
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d",&n ) != EOF)
{
for (int i = 0;i < n;i++)
{
for (int j = 0;j < n;j++)
{
if (i == 0 || i == n-1 || j == 0 || j == n-1)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
