[chrisBob]

Interviewer - Use the debugger to find the bug.

You - No.

Interviewer - I guess you don't know how to use the debugger and it is required for the job. Have a nice day.

[0xmohit]

I guess that the interviewer needs to in a put in a bit more effort to present a problem that warrants using a debugger. Who debugs a hello world program?