空心四邊形2

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user_3763047219
c_cpp
2 years ago
448 B
0
Indexable
#include <stdio.h>
int main()
{
	int num;
	scanf("%d", &num);
	for (int i = 0;i < num;i++) {
		printf("*");
	}
	printf("\n");
	for (int j = 0;j < num;j++) {
		if (j == 0 || j == num-1) {
		}
		else {
			for (int i = 0;i < num;i++) {
				if (i == 0 || i == num - 1) {
					printf("*");
				}
				else {
					printf(" ");
				}
			}
			printf("\n");
		}
	}
	for (int i = 0;i < num;i++) {
		printf("*");
	}
	printf("\n");
}
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