Optical Fusion interview questions

Totally 4 technical rounds for junior programmer and interviewed with C, Data Structures, pointers etc.. There was totally 4 rounds no HR round , i was interviewed for junior programmer initial rounds were easy but further rounds were a bit difficult so prepare on above topics to clear.

One written test with basic c question 3 technical round: * F2F: Basic C question with simple data structure * F2F: Data Structure question related to liked list and problem solving like determine one odd weighted ball from 8 balls. * F2F: with Tech Lead, question related to final year college projects. 1 HR Round Just formality