键盘输入的变换，目测可以用来恶作剧。用的是土方法
#include"stdio.h"
int main()
{
char apple;
while(scanf("%c",&apple)!=EOF)
{
if(apple=='=') printf("-");
else if(apple=='-')printf("0");
else if(apple=='0')printf("9");
else if(apple=='9')printf("8");
else if(apple=='8')printf("7");
else if(apple=='7')printf("6");
else if(apple=='6')printf("5");
else if(apple=='5')printf("4");
else if(apple=='4')printf("3");
else if(apple=='3')printf("2");
else if(apple=='2')printf("1");
else if(apple=='1')printf("`");
else if(apple=='\\')printf("]");
else if(apple==']')printf("[");
else if(apple=='[')printf("P");
else if(apple=='P')printf("O");
else if(apple=='O')printf("I");
else if(apple=='I')printf("U");
else if(apple=='U')printf("Y");
else if(apple=='Y')printf("T");
else if(apple=='T')printf("R");
else if(apple=='R')printf("E");
else if(apple=='E')printf("W");
else if(apple=='W')printf("Q");
else if(apple=='\'')printf(";");
else if(apple==';')printf("L");
else if(apple=='L')printf("K");
else if(apple=='K')printf("J");
else if(apple=='J')printf("H");
else if(apple=='H')printf("G");
else if(apple=='G')printf("F");
else if(apple=='F')printf("D");
else if(apple=='D')printf("S");
else if(apple=='S')printf("A");
else if(apple=='/')printf(".");
else if(apple=='.')printf(",");
else if(apple==',')printf("M");
else if(apple=='M')printf("N");
else if(apple=='N')printf("B");
else if(apple=='B')printf("V");
else if(apple=='V')printf("C");
else if(apple=='C')printf("X");
else if(apple=='X')printf("Z");
else printf("%c",apple);
}
return 0;
}