[smnscu]

This is a good resource that I'm currently going through to prepare for interviews. Another one would be Competitive Programming (3rd edition) [1] but for general interview skills the Codility lessons are also OK [2].

1 - https://www.amazon.com/Competitive-Programming-3rd-Steven-Ha...

2 - https://drive.google.com/open?id=1WjXxbdle0_Syip_LygBpnZkfHv...