【C语言】用双重循环编程打印以下图形

用双重循环编程打印以下图形：
ABCDEF
BCDEF
CDEF
DEF
EF
F

#include <stdio.h>
int main(void)
{
    
    
    int count_char, count_line, pchar = 65, pcharplus = 1;
    for(count_line=5;count_line>=0;count_line--)
    {
    
    
        for(count_char=count_line;count_char>=0;count_char--)
        {
    
    
            printf("%c",pchar++);
        }
        printf("\n");
        pchar = 65+pcharplus++;
        //65对应的A
        //后置自增运算符优先级属于the first class
        //而加法运算在第四梯队
        //赋值运算符在倒数第二的第十四梯队，最垃圾
    }
}