C语言编程译密码

 

C语言编程译密码:

#include<stdio.h>

void main(){

         char c;

         while((c=getchar())!='\n'){

                   if((c>'a'&&c<='z')||(c>'A'&&c<='Z')){

                            c=c+4;

                            if(c>'Z'&&c<='Z'+4||c>'z')

                            c=c-26;

                   }

                   printf("%c",c);

         }

         printf("\n---end!!~~\n");

}