PTA L1-002 打印沙漏 (20 分)

L1-002 打印沙漏 (20 分)

#include <stdio.h>
int main()
{
	int n;
	char ch;
	scanf("%d %c",&n,&ch);
	n=n-1;
	int i;
	for (i=3;;i+=2){
		if(i*2>n) break;
		n=n-i*2;
	}
	int temp=i-2;
	int jishu=0;
	int j,k;
	for (j=1;j<=temp;j++){
		for (k=1;k<=jishu;k++){
			printf(" ");
		}
		for (k=0;k<=temp;k++){
			printf("%c",ch);
		}
		if(j<(temp+1)/2){
			temp-=2;
			jishu++;
		}
		else {
			temp+=2;
			jishu--;
		}
		printf("\n");
	
	}
	printf("%d\n",n);
	return 0;
}
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