AtCoder Beginner Contest 309 - A...F solutions with explanations!
3D Coordinate-Wise Domination on Problem F - Sick technique! I want to make a video on it someday! As always, we had fun solving the AtCoder Beginner Contest problems. 👻 They were really good and educational, especially problems E and F! We were correct about the usage of the inclusion-exclusion principle on G and FFT on Ex, but the mathematics involved on Ex are just too complex for 30 minutes think.
0:00:00 Intro
0:01:26 Problem A
0:03:30 Problem B
0:13:14 Problem C
0:20:05 Problem D
0:26:39 Problem E
0:45:45 Problem F
0:53:43 Problem G/Ex (thinking...)
1:30:10 Explanations
2:02:12 Greetings
