CME Group Junior Quantitative Analyst interview questions

After receiving your resume, the HR consulting firm would reach you, arranging the interview. The first round is phone interview, the second round(I did not enter in that round) would be paper test and face to face interview. The content of the interview was comprehensive, including a lot of C++ questions, such as the diff between pass by name/reference, the benefit of initialization list, containers, etc; some typical brain teaser questions; and financial questions like the GARCH models, put-call parity and the Greeks