输入字母 译成密文
目录：程序员成长之旅/C语言/自己写的源码
#include<stdio.h> //输入字母 译成密文
int main()
{
char Express, Pass;
Express = getchar();
if (Express != '\n')
{
while (Express!='\n')
{
if (Express >= 'a'&&Express <= 'z' || Express >= 'A'&&Express <= 'Z')//划定输入字符范围
{
if (Express >= 'w'&&Express <= 'z' || Express >= 'W'&&Express <= 'Z')//确认是否为Wz 或wz 若果是 就用减法加密。
{
Express -= 22;
}
else
{
Express += 4;
}
Pass = Express;//方便识别
printf("%c", Pass);
}
else
{
setbuf(stdin, NULL);
printf("You enter data is error!\n");
return 0;
}
Express = getchar();
}
}
else
{
setbuf(stdin, NULL);
printf("You enter data is error!\n");
return 0;
}
printf("\n");
return 0;
}