//key is -3
#include<stdio.h>
int main()
{
char s[]="wklv phvvdjh lv qrw wrr kdug wr";
for(int j=0;j<26;j++)
{
for(int i =0;;i++)
{
char c=s[i];
if(c==‘\0‘) break;
if(c==‘ ‘) { putchar(‘ ‘);continue;}
else putchar(c-j) ;
}
printf(" || This key is %d.\n",j);
}
}
原文：http://www.cnblogs.com/alfredsun/p/4515435.html