**CS2852 Data Structures** Lecture Videos Spring 2019 Week 5 Lecture 1 # Intro to recursion [download](lectures/2852-5-1a.mp4)  # When to stop / conditional break points [download](lectures/2852-5-1b.mp4)  # 1 + 2 + ... + n [download](lectures/2852-5-1c.mp4)  # Fibonacci Sequence [download](lectures/2852-5-1d.mp4)  # Homework setup - recursive toString() for arrays [download](lectures/2852-5-1e.mp4)