All test cases failed

#1

Please check what’s the problem in my code?
and
“did you account for negative numbers, for example?”
What is the meaning of this statement in failed test case description?

#2

Please share your code using ide.codingblocks.com
I am not able to look into your code using the code pair option.

#3

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.