Can't pass all test cases

#1

hello. this was my code for the calculator. I’m unable to pass all the testcases. what am I missing?

#include
using namespace std;

int main()
{

while (1)
{
char ch;
cin>> ch;

if ( ch== '+' or ch== '-' or ch== '*' or ch== '/' or ch== '%')
{
	int n1, n2;
	cin>>n1>>n2;

	switch (ch)
	{
		case '+' : cout << n1+n2 <<endl;
					break;
		case '-' : cout << n1-n2<<endl;
					break;
		case '*' : cout << n1*n2<<endl;
					break;
		case '/' : cout << n1/n2<<endl;
					break;
		case '%' : cout << n1%n2 <<endl;
					break;												
	}
	break;

}

else if (ch== 'x' or ch== 'X')
	break;


else
{
	cout<< "Invalid operation. Try again.";
	continue;
}
} 

return 0;

}

#2

hello @yamika

check now->

#3

works perfectly now! I added the ‘break’ in the ‘if’ block much later. before that too, it wasn’t accepting my code, maybe because i didn’t put the “\n”. should formatting errors like that really be considered failures? it can be hard for a student to figure out what is going wrong. but thank you for your help!

#4

…

your output should match with output format otherwise , you will always get wa . so always take care of formatting

#5

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