Cody5:Hard

Hard problems for Cody 5th Anniversary.

Cody5:Hard Master

+50 points

Problem Title	Likes	Solvers
Problem 44387. Birthday cake Created by: Matthew Eicholtz Tags geometry, cody5:hard	7	67
Problem 44382. Parse me a Lisp Created by: @bmtran (Bryant Tran) Tags lisp, parse, cody5	3	66
Problem 44381. Cache me Outside Created by: @bmtran (Bryant Tran) Tags cody5, memoize	2	72
Problem 44379. One track five lanes Created by: Alfonso Nieto-Castanon Tags cody5	3	47
Problem 44378. Five-dimensional maze Created by: @bmtran (Bryant Tran) Tags maze, graph theory, multidimensional	2	36
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	7	35
Problem 44374. Tautology Created by: Jan Orwat Tags regular expressions, cody5	3	39
Problem 44367. Inscribed Pentagon? 2 Created by: goc3 Tags geometry, circle, radius	1	67
Problem 44365. An asteroid and a spacecraft Created by: AMITAVA BISWAS Tags projectile, mechanics, cody5	4	135
Problem 44364. Is this a valid Tic Tac Toe State? Created by: Doug Hull Tags cody5	3	94
Problem 44359. 5th Time's a Charm Created by: goc3 Tags approximation, cody5, five	5	223
Problem 44353. Group-wise Euclidean distance Created by: Peng Liu Tags speed, cody5	5	58
Problem 44347. Ned's queens Created by: HH Tags contest, cody5	2	52
Problem 44344. The 5th Root Created by: goc3 Tags root, power, cody5	8	885
Problem 44343. Pair Primes Created by: Mehmet OZC Tags integers, prime numbers, cody5	4	68
Problem 44341. Hexagonal numbers on a spiral matrix Created by: Mehmet OZC Tags big integer, cody5, hexagonal numbers	0	71
Problem 44340. Recaman Sequence - III Created by: Mehmet OZC Tags cody5, recaman sequence	0	68
Problem 44337. Sums of Distinct Powers Created by: James Tags binary, cody5, distinct powers	5	126
Problem 44316. Pandigital Multiples of 11 (based on Project Euler 491) Created by: James Tags projecteuler, pandigital, cody5	4	41
Problem 44313. "Cody" * 5 == "CodyCodyCodyCodyCody" Created by: Peng Liu Tags multiplication, string, cody5	6	193
Problem 44311. Number of Even Elements in Fibonacci Sequence Created by: Mehmet OZC Tags fibonacci, cody5, big number	4	663
Problem 44310. Digit concentration in Champernowne's constant Created by: Mehmet OZC Tags cody5, champernowne's constant, big number	4	105
Problem 281. Acid and water Created by: AMITAVA BISWAS Tags cody5, exponential decay, fluid mixture	1	216

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Recent Activity

Karl Ezra Pilario submitted Solution 2296627 to Problem 44353. Group-wise Euclidean distance

on 19 May 2020 at 15:45