Perguntas de entrevista da empresa Firetide

I have shortlisted through amcat There were 5 rounds 1st - apti & technical written test Apti wz not tat difficult Technical qus were very difficult - os , ds , c, c++. 2nd round - written programming test (not an eliminating round) Two Technical interview followed by an hr - concentrated on c (pointers structures unions etc) , ds , more on os