2nd Place in Google Kick Start Round D (Part One - Solving Problems)

Last night, I competed in Google Kick Start Round D on far too little sleep. This video shows most of the competition, aside from the last few minutes I spent debugging D. In the second video (available at https://youtu.be/Xsmiy1tdH3A), I discuss my solutions to the problems. Timestamps: 0:01:35 - Solving A 0:05:03 - Reading B 0:05:42 - Debugging A 0:07:02 - Solving B 0:14:35 - Solving C 0:21:20 - Solving D