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)
{
char arr[n][n];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
arr[i][j] = ' ';
arr[0][j] = '*';
arr[n - 1][j] = '*';
arr[i][0] = '*';
arr[i][n - 1] = '*';
printf("%c ",arr[i][j]);
}
printf("\n");
}
}
return 0;
}