CTCI puts an emphasis on interviews whereas this book is only about competitive programming. CTCI tries to make interviews about competitive programming, this

CTCI puts an emphasis on interviews whereas this book is only about competitive programming. CTCI tries to make interviews about competitive programming, this book is about competitive programming itself. CTCI offers some high level problem solving advice, and a list of exercises. This book elaborates provides a framework for understanding the exercises and elaborates on techniques for each type of data structure.