#include <stdio.h>
int main(void)
{
int i;
for (i = 0; i < 26; ++i)
printf("%26.*s%s\n", i + 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "ZYXWVUTSRQPONMLKJIHGFEDCBA" + 26 - i);
return 0;
}
上面是程序……求教了