I am getting TLE in my program of basic calculator i don't know why

#1

#include
using namespace std;
int main()
{ char ch;
int n1 ,n2,ans;
do
{
cin>>ch;
if (ch==’+’ or ch==’-’ or ch==’’ or ch==’/’ or ch==’%’)
{
cin>>n1>>n2;
switch (ch){
case’+’:
ans=n1+n2;
cout<<ans;
break;
case’-’:
ans=n1-n2;
cout<<ans;
break;
case’’:
ans=n1*n2;
cout<<ans;
break;
case’/’:
ans =n1/n2;
cout<<ans;
break;
case’%’:
ans=n1%n2;
cout<<ans;
break;
}
}
else
{
cout<<“Invalid operation. Try again.”;
}

}
while(ch!=‘x’ or ch!=‘X’);
return 0;
}

#2

@architsuryavanshi hey,I have corrected your code,please see to it:

#3

why b=0 is applied i am not able to understand it

#4

@architsuryavanshi hey we have applied infinite while loop so to come out of that loop when x appears we use b,take b initially as 0 and after that when x appears in input do b=1 ,no when again loop starts we have applied condition when b=1 break the loop or come out of that loop.Dry run this code,you will get it.

#5

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