HARMAN Associate Software Engineer interview questions

I got interview invitation through cocubes and there was 1 technical and 1 HR round. Then after i got offer letter. Interviewer was good smoothly conducted the whole process and got early joining.

First was aptitude round after that shortlisted people were sent venues for the coding test and then technical interview and than hr interview. Technology coding round was the toughest round they asked questions from graphs and arrays , I almost was able to pass all the test cases in question but one of the test cases wasn't passed.