[hallo]

#include<stdio.h>
#include<conio.h>
main()
{
int x,y,z;
printf("1means+,2means-,3means*,4means/,5means%");
scanf("%d",&x);
switch(x)
{
case +:
{
z=x+y;
printf("z=%d",z);
break;
}
case -:
{
z=x-y;
printf("z=%d",z);
break;
}
case *:
{
z=x*y;
printf("z=%d",z);
break;
}
case /:
{
z=double x/y;
printf("z=%f",z);
break;
}
case %:
{
z=x%y;
printf("z=%d",z);
break;
}
default:
{
printf("sorry");
}
getch():
}

ايش الخطا في الكود هذا