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) == 1)
{
int i = 0;
int j = 0;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i == 0 || i == n - 1 || j == 0 || j == n - 1)
{
printf("* ");
}
else
{ printf(" ");
}
}
printf("\n");
}
}
return 0;
}
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