Basic calculator donot understanding where is problem

#1

#include
using namespace std;
int main() {
char ch;
cin>>ch;
if(ch==’+’ || ch==’-’ ||ch==’/’ || ch==’’ || ch==’%’)
{
int a,b,res=0;
cin>>a>>b;
switch(ch)
{
case ‘+’:{
res=a+b;
break;
}
case ‘-’:{
res=a-b;
break;
}
case '’:{
res=a*b;
break;
}
case ‘/’:{
res=a/b;
break;
}
case ‘%’:{
res=a%b;
break;
}
}
cout<<res<<endl;
}
else if(ch!=‘X’ || ch!=‘x’)
{
cout<<“Invalid operation. Try again.”;
}
else
break;
return 0;
}

#2

Go through the question again you need to take character until you dont get X or x. In your code you have taken character only once , you need to do this task again and again(use loop) and have to stop your task when you get X or x as a character

#3

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