Error..where am i going wrong

#1

#include
using namespace std;
int main() {
int a,b;
char ch;
ch=cin.get();
while((ch !=‘X’) or (ch !=‘x’)){
if(ch==’+’){
cin>>a;
cin>>b;
cout<<a+b;
ch=cin.get();
}
else if(ch==’-’){
cin>>a;
cin>>b;
cout<<a-b;
ch=cin.get();
}
else if(ch==’’){
cin>>a;
cin>>b;
cout<<ab;
ch=cin.get();
}
else if(ch==’/’)
{
cin>>a;
cin>>b;
cout<<a/b;
ch=cin.get();
}
else if(ch==’%’){
cin>>a;
cin>>b;
cout<<a%b;
ch=cin.get();
}
else{
cout<<“Invalid operation. Try again.”;
ch=cin.get();
}
}
return 0;
}

#2

Please save your code on ide.codingblocks.com and then share its link.

#3

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