Hackerblock idle not working properly

#1

I am submitting my code ,and it show nothing ,

#2

@kabirsachin1999 hey sachin can I see your code.

#3

#include
using namespace std;
int main() {
char ch;
long long int a,b;
cin>>ch;
while(ch!=‘X’||ch!=‘x’){
switch(ch){
case '’:
cin>>a>>b;
cout<<ab<<endl;
break;
case ‘+’:
cin>>a>>b;
cout<<a+b<<endl;
break;
case ‘/’:
cin>>a>>b;
cout<<a/b<<endl;
break;
case ‘-’:
cin>>a>>b;
cout<<a-b<<endl;
break;
default :
cout<<“Invalid operation”;
}
cin>>ch;
}
return 0;
}

#4

@kabirsachin1999 hey kabir can you please share your code with ide of coding blocks