Codeforces Round 670 Solutions + Set Solve (49th)

Solutions to all problems at the end of the video. I competed in Codeforces Round 670 with some live commentary about the problems during the contest. The problems are available here for those interested: https://codeforces.com/contest/1406 Timestamps: 0:00 Good Morning 0:45 Problem A 3:20 Problem B 9:00 Problem C 32:48 Problem D 54:33 Problem E 1:52:40 Commentary on Set 1:55:50 Problem A Solution 1:58:42 Problem B Solution 2:03:01 Problem C Solution 2:07:13 Problem D Solution 2:16:30 Problem E Solution 2:29:29 Commentary part 2