BNP Paribas Senior Software Developer interview questions

-Direct call from BNP -3 round of Technical interviews (including one techno-managerial round). Technical interview was in depth and lots of problems was discussed. Interviews was more mean to understand the problem solving skill rather than text book knowledge -1 HR round.(why you want to change, Expected CTC, family details ) , interview was simple

They gave a C++ test project which I completed