Codeforces Round 665 Solutions and Commentary

Solutions to all problem available at the end of the video. I competed in Codeforces Round 665 and managed to solve all problems in contest. Thanks to the authors for the interesting set! Here's a link to the round if you're interested: https://codeforces.com/contest/1401 Timestamps: 0:00 Intro 1:00 Problem A 3:37 Problem B 11:26 Problem C 17:23 Problem D 44:35 Problem E 1:16:50 Problem F 1:41:45 Contest Analysis 1:43:07 Problem A Solution 1:45:59 Problem B Solution 1:49:52 Problem C Solution 1:54:00 Problem D Solution 2:00:45 Problem E Solution 2:05:30 Problem F Solution