数学とプログラミングの間のどこか

運営者は ICPC（国際大学対抗プログラミングコンテスト）2014 の東大代表のひとりでした。

How to win the Poison Chocolate Game [Slow Explanation]
5:21
How to win the Poison Chocolate Game [Slow Explanation]
International Math Olympiad Problem 1 in 1 Minute [English Subtitles]
1:51
International Math Olympiad Problem 1 in 1 Minute [English Subtitles]
How Many Battles Are Needed on Average to Win 5 Times in a Row? [English Subtitles]
3:03
How Many Battles Are Needed on Average to Win 5 Times in a Row? [English Subtitles]
1-Minute UTokyo Entrance Exam Math: Triangular Rooms [English Subtitles]
1:51
1-Minute UTokyo Entrance Exam Math: Triangular Rooms [English Subtitles]
a!b! = a! + b! + c! [English Subtitles]
2:57
a!b! = a! + b! + c! [English Subtitles]
How Many Packs Are Needed on Average to Collect All Cards in PTCGP? [English Subtitles]
7:27
How Many Packs Are Needed on Average to Collect All Cards in PTCGP? [English Subtitles]
Crazy Code to Calculate 1/√x [English Subtitles]
8:14
Crazy Code to Calculate 1/√x [English Subtitles]
x^x^4=64 [English Subtitles]
1:16
x^x^4=64 [English Subtitles]
How to Calculate Cube Roots Instantly [English Subtitles]
2:47
How to Calculate Cube Roots Instantly [English Subtitles]
Claude Takes Over My Computer and Draws a Cat [English Subtitles]ss
6:10
Claude Takes Over My Computer and Draws a Cat [English Subtitles]ss
[BREAKING] 2^136279841-1 is Prime: New Record After 6 Years [English Subtitles]
2:34
[BREAKING] 2^136279841-1 is Prime: New Record After 6 Years [English Subtitles]
THE Hardest Entrance Exam Math Problem in 7 Minutes
7:56
THE Hardest Entrance Exam Math Problem in 7 Minutes
A Tool to Express Any Number Using 114514 [English Subtitles]
5:07
A Tool to Express Any Number Using 114514 [English Subtitles]
[FINAL] AtCoder Beginner Contest 373 [English Subtitles]
5:24
[FINAL] AtCoder Beginner Contest 373 [English Subtitles]
AtCoder Beginner Contest 372 A-F in 3 Minutes [English Subtitles]
3:47
AtCoder Beginner Contest 372 A-F in 3 Minutes [English Subtitles]
AtCoder Beginner Contest 371 A-E in 3 Minutes
2:49
AtCoder Beginner Contest 371 A-E in 3 Minutes
A Clock with Identical Hour and Minute Hands [English Subtitles]
2:19
A Clock with Identical Hour and Minute Hands [English Subtitles]
Can 9 Squares Touch Another? [English Subtitles]
2:58
Can 9 Squares Touch Another? [English Subtitles]
AtCoder Beginner Contest 370 A-F in 4 Minutes [English Subtitles]
4:24
AtCoder Beginner Contest 370 A-F in 4 Minutes [English Subtitles]
5-Color Theorem Revised [English Subtitles]
12:31
5-Color Theorem Revised [English Subtitles]
AtCoder Beginner Contest 369 A-F in 3 Minutes [English Subtitles]
3:36
AtCoder Beginner Contest 369 A-F in 3 Minutes [English Subtitles]
AtCoder Beginner Contest 368 A-D+F in 3 Minutes [English Subtitles]
3:03
AtCoder Beginner Contest 368 A-D+F in 3 Minutes [English Subtitles]
Can You Connect The Points With Two Non-Intersecting Lines? [English Subtitles]
2:45
Can You Connect The Points With Two Non-Intersecting Lines? [English Subtitles]
AtCoder Beginner Contest 367 A-E in 3 Minutes [English Subtitles]
2:59
AtCoder Beginner Contest 367 A-E in 3 Minutes [English Subtitles]
Is π^π^π^π an Integer? [English Subtitles]
3:25
Is π^π^π^π an Integer? [English Subtitles]
AtCoder Beginner Contest 366 A-E in 3 Minutes [English Subtitles]
2:51
AtCoder Beginner Contest 366 A-E in 3 Minutes [English Subtitles]
20 Prisoners and 12 Boxes [English Subtitles]
5:43
20 Prisoners and 12 Boxes [English Subtitles]
AtCoder Beginner Contest 365 A-E in 3 Minutes
3:13
AtCoder Beginner Contest 365 A-E in 3 Minutes
AtCoder Beginner Contest 364 A-F in 3 Minutes [English Subtitles]
3:06
AtCoder Beginner Contest 364 A-F in 3 Minutes [English Subtitles]
Can a Bigger Box Fit into a Smaller Box? [English Subtitles]
3:20
Can a Bigger Box Fit into a Smaller Box? [English Subtitles]