#include <stdio.h>
#include <math.h>
main()
{
int a,c=4;
while(c=4)
{
printf("1:石头\n2:剪刀\n3:布\n4:继续\n5:结束\n");
scanf("%d",a);
switch(rand()%3)
{
case 1:if(a==3) printf("你赢了");else if(a==2)printf("平局");else printf("你输了");break;
case 2:if(a==1) printf("你赢了");else if(a==2)printf("平局");else printf("你输了");break;
case 3:if(a==2) printf("你赢了");else if(a==2)printf("平局");else printf("你输了");break;
}
scanf("%d",c);
}
}