急求C语言程序 随便输入一个字母,运行结果向后移四位。要求能够循环

2025-03-31 20:41:29
推荐回答(1个)
回答1:

#include "stdio.h"
#include "windows.h"

main()
{
char c;
printf("input a char:");
scanf("%c",&c);
if(!isalpha(c))
{
printf("input error!\n");
return;
}
printf("%c\n",isalpha(c+4)? c+4:c-22);
getchar();
}