here is the link my program is correct and passing sample input but failing in some test cases please tell why
Please tell why my code is not passing test cases

needs to be this way
and not
like
cout <<" "<data;
I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.
On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.