打印字母棱形.如键盘上输入F,则屏幕上输出如下棱形: A A B A B C A B C D A B C D E A B C D E F A B C D E A B C D A B C A B
A
#include <stdio.h>
int main(void)
{
int i, j, m, n = 65;
char a;
scanf("%c", &a);
m = a - 64;
for (i = 1; i < m * 2; i++)
{
for (j = m; j > m - fabs(m - i); j--)
printf(" ");
n = 65;
for (j = 0; j < m - fabs(i - m); j++)
printf("%c ", n++);
printf("\n");
}
return 0;
}