Question

输出以下图案 A BBB CCCCC DDDDDDD CCCCC BBB A

Answer 1

#include <stdio.h>
#include "math.h"
#define n 7
void main()
{
char s[]="ABCD";
int i,j,mid;
mid=n/2+1;
for(i=1;i<=n;i++)
{
for (j=1;j<=abs(i-mid);j++)printf(" ");//输出前缀空格
for(j=1;j<=2*(mid-abs(i-mid))-1;j++)printf("%c",s[mid-abs(i-mid)-1]);//输出字母
printf("\n");//换行
}
}

Answer 2

#include “stdio.h”
void main()
{
printf(" A\n BBB\n CCCCC\nDDDDDDD\n CCCCC\n BBB\n A");
}