Can code be provided

sir can you provide code to this problem , i even looked on codeforces but i am not able to code the solution

it’s simple really. if(z >= x + y) then output is undecidable. else simply calculate the output on the basis of the sign of x + y

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.