At first they started basic questions on resume about previous internship then some OOPS question , after this they asked me this 24 game question on leetcode which needs to be done using backtracking, after this the second round happened

Here they first again started with resume going though the previous internships then asked me a graph problem based on bellman ford and logarithms based on currency exchange. After this I was asked a puzzle that I have been given some boxes and some balls I need to find minimum number of moves to find the weight of the boxes something like that . After this I was asked about OS , OOPs , Solid principles and their code written then at last I was asked c++ stl syntaxes and then the role was offered