How to solve runguard error in this particular program?

#1

#include
using namespace std;
int main() {
char ch;
do{
cin>>ch;
int N1,N2;
switch(ch){
case ‘+’:
cin>>N1>>N2;
cout<<N1+N2<<endl;
break;
case ‘-’:
cin>>N1>>N2;
cout<<N1-N2<<endl;
break;
case '’:
cin>>N1>>N2;
cout<<N1N2<<endl;
break;
case ‘/’:
cin>>N1>>N2;
if(N2!=0){
cout<<N1/N2<<endl;}
break;
case ‘%’:
cin>>N1>>N2;
if(N2!=0){
cout<<N1%N2<<endl;
break;}
case ‘X’:
case ‘x’:
break;
default:
cout<<“invalid operation.Try again”<<endl;
}}while(true);
return 0;
}

#2

hi @goutampopli12,
please send me code on ide.codingblocks.com

  1. login
  2. write (or copy paste)
  3. save (ctrl + s)
  4. send the url of that page

or send it by saving to any online editor

#3
#4
#5

hi @goutampopli12, updated and commented

#6

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