Codeforces Round 979 Video Editorial Problem[A-F]
17:58
What P vs NP is actually about
12:51
one year of studying (it was a mistake)
14:59
Codeforces CodeTON Round 9 Animated Video Editorial [A-D]
16:50
Dear Functional Bros
22:31
Dynamic Programming isn't too hard. You just don't know what it is.
17:18
Python laid waste to my C++!
59:06
Winning* Codeforces Round 957 DIv. 3 (*tourist doesn't count)
22:04