Cody5:Hard

<div style = "text-align: start; line-height: normal; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: none solid rgb(0, 0, 0); white-space: normal; "><div style="display: block; min-width: 0px; padding-top: 0px; perspective-origin: 289.5px 10.5px; transform-origin: 289.5px 10.5px; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; white-space: pre-wrap; perspective-origin: 266.5px 10.5px; transform-origin: 266.5px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; "><span style="">Hard problems for Cody 5th Anniversary.</span></span></div></div></div>

Cody5:Hard Master

+50 points

Problem Title	Likes	Solvers
Problem 44387. Birthday cake Created by: Matthew Eicholtz Tags geometry, cody5:hard	8	79
Problem 44382. Parse me a Lisp Created by: @bmtran (Bryant Tran) Tags lisp, parse, cody5	4	73
Problem 44381. Cache me Outside Created by: @bmtran (Bryant Tran) Tags cody5, memoize	4	80
Problem 44379. One track five lanes Created by: Alfonso Nieto-Castanon Tags cody5	3	51
Problem 44378. Five-dimensional maze Created by: @bmtran (Bryant Tran) Tags maze, graph theory, multidimensional	3	37
Problem 44377. Five steps to enlightenment Created by: Alfonso Nieto-Castanon Tags indexing, logic, cody5	5	35
Problem 44376. The sliding puzzle: 3D Created by: HH Tags puzzle, sliding, fifteen	10	38
Problem 44374. Tautology Created by: Jan Orwat Tags regular expressions, cody5	3	40
Problem 44367. Inscribed Pentagon? 2 Created by: goc3 Tags geometry, circle, radius	2	72
Problem 44365. An asteroid and a spacecraft Created by: AMITAVA BISWAS Tags projectile, mechanics, cody5	4	145
Problem 44364. Is this a valid Tic Tac Toe State? Created by: Doug Hull Tags cody5	4	100
Problem 44359. 5th Time's a Charm Created by: goc3 Tags approximation, cody5, five	6	173
Problem 44353. Group-wise Euclidean distance Created by: Peng Liu Tags speed, cody5	6	62
Problem 44347. Ned's queens Created by: HH Tags contest, cody5	3	54
Problem 44344. The 5th Root Created by: goc3 Tags root, power, cody5	9	519
Problem 44343. Pair Primes Created by: Mehmet OZC Tags integers, prime numbers, cody5	5	74
Problem 44341. Hexagonal numbers on a spiral matrix Created by: Mehmet OZC Tags big integer, cody5, hexagonal numbers	1	88
Problem 44340. Recaman Sequence - III Created by: Mehmet OZC Tags cody5, recaman sequence	2	72
Problem 44337. Sums of Distinct Powers Created by: James Tags binary, cody5, distinct powers	6	133
Problem 44316. Pandigital Multiples of 11 (based on Project Euler 491) Created by: James Tags projecteuler, pandigital, cody5	5	44
Problem 44313. "Cody" * 5 == "CodyCodyCodyCodyCody" Created by: Peng Liu Tags multiplication, string, cody5	7	194
Problem 44311. Number of Even Elements in Fibonacci Sequence Created by: Mehmet OZC Tags fibonacci, cody5, big number	10	667
Problem 44310. Digit concentration in Champernowne's constant Created by: Mehmet OZC Tags cody5, champernowne's constant, big number	5	112
Problem 281. Acid and water Created by: AMITAVA BISWAS Tags cody5, exponential decay, fluid mixture	1	228

Recent Group Finishers25

Recent Activity

	Fredrik Hallhagen submitted Solution 4656217 to Problem 44311. Number of Even Elements in Fibonacci Sequence 12 hours and 21 minutes ago
	Lincoln Poon submitted Solution 4632283 to Problem 44310. Digit concentration in Champernowne's constant on 20 Jan 2021 at 22:17
	Lincoln Poon submitted Solution 4628919 to Problem 44316. Pandigital Multiples of 11 (based on Project Euler 491) on 20 Jan 2021 at 8:28
	Lincoln Poon submitted Solution 4628904 to Problem 44341. Hexagonal numbers on a spiral matrix on 20 Jan 2021 at 8:22
	Lincoln Poon submitted Solution 4628894 to Problem 44365. An asteroid and a spacecraft on 20 Jan 2021 at 8:18

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