Codeforces Round 959 (Div. 1 + Div. 2) Discussion | A, B, C, D
30:40
Codeforces Pinely Round 4 (Div.1 + Div.2) | A, B, C, D
44:02
Codechef Starters 117 Discussion | A, B, C, D, E (div 2)
51:37
Problem Hunt Episode 1 - Array, DP, Trees, Greedy Algorithm
1:20:03
Operating System Date: 2nd Feb, Crash Course for BCA, IT & CSE | OS Basics for Placements & Exams
13:14
AWS Lambdas | How does it work | Serverless computing | event driven execution | SDE Concepts
45:42
Atcoder Beginner Contest 333 Discussion | A,B,C,D,E,F
59:06
Winning* Codeforces Round 957 DIv. 3 (*tourist doesn't count)
1:01:45