IBM Software Developer interview questions

I had an HR interview which lasted for 30 mins and immediately I got a coding challenge and was given one day time. Once I submitted the code, I got the technical interview call with two developers on the call. Initially they asked questions on my code followed by few tech questions.

2 face to face round. process was easy . basic questation asked on c++ and Linux and some logical questation asked and some questations on c programing like based on recursion.