#include
using namespace std;
int main()
{
char ch;
long long int N1,N2;
do
{
cin>>ch;
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(ch!='x'&&ch!='X');
return 0;
}
output is correct but its showing time limit exceecded.
what to do.