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> #include <stdio.h> int main() { int n = 0; while (scanf("%d", &n) != EOF) { for (int i = 0; i < n; i++) //外循环为行 { for (int j = 0; j < n; j++) //内循环为列 { if (i == 0 || i == n - 1 || j == 0 || j == n - 1)//找规律 printf("* "); else printf(" "); } printf("\n"); } } }