字符菱形

样例

输入样例

*

输出样例

  *
 ***
*****
 ***
  *

代码

#include <stdio.h>
int main()
{
	char c;
	scanf("%c", &c);
	for (int i = 1, j = 0,k=2; j < 5; j++, i = (j < 3 ? i + 2 : i - 2),k=(j<3?k-j:(k-j+5))){
		for (int x = 1; x <= k; x++) {
			printf("%c",' ');
		}
		for (int y = 1; y <= i; y++) {
			printf("%c", c);
		}
		printf("\n");
	}
}