Problems

1 – 23 of 23

Problem Title Likes Solvers Difficulty

Problem 44381. Cache me Outside

Created by: @bmtran (Bryant Tran)

Tags cody5, memoize

Problem 44311. Number of Even Elements in Fibonacci Sequence

Created by: Mehmet OZC

Tags fibonacci, cody5, big number

915

Problem 44364. Is this a valid Tic Tac Toe State?

Created by: Doug Hull

Tags cody5

108

Problem 281. Acid and water

Created by: AMITAVA BISWAS

Tags cody5, exponential decay, fluid mixture

241

Problem 44365. An asteroid and a spacecraft

Created by: AMITAVA BISWAS

Tags projectile, mechanics, cody5

151

Problem 44310. Digit concentration in Champernowne's constant

Created by: Mehmet OZC

Tags cody5, champernowne's constant, big number

114

Problem 44344. The 5th Root

Created by: goc3

Tags root, power, cody5

531

Problem 44341. Hexagonal numbers on a spiral matrix

Created by: Mehmet OZC

Tags big integer, cody5, hexagonal numbers

Problem 44367. Inscribed Pentagon? 2

Created by: goc3

Tags geometry, circle, radius

Problem 44337. Sums of Distinct Powers

Created by: James

Tags binary, cody5, distinct powers

143

Problem 44316. Pandigital Multiples of 11 (based on Project Euler 491)

Created by: James

Tags projecteuler, pandigital, cody5

Problem 44340. Recaman Sequence - III

Created by: Mehmet OZC

Tags cody5, recaman sequence

Problem 44359. 5th Time's a Charm

Created by: goc3

Tags approximation, cody5, five

174

Problem 44353. Group-wise Euclidean distance

Created by: Peng Liu

Tags speed, cody5

Problem 44374. Tautology

Created by: Jan Orwat

Tags regular expressions, cody5

Tags cody5

Problem 44376. The sliding puzzle: 3D

Created by: HH

Tags puzzle, sliding, fifteen

Problem 44343. Pair Primes

Created by: Mehmet OZC

Tags integers, prime numbers, cody5

Problem 44347. Ned's queens

Created by: HH

Tags contest, cody5

Problem 44377. Five steps to enlightenment

Created by: Alfonso Nieto-Castanon

Tags indexing, logic, cody5

Problem 44378. Five-dimensional maze

Created by: @bmtran (Bryant Tran)

Tags maze, graph theory, multidimensional

1 – 23 of 23

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Problem Groups

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Problem Groups

Problems

Problem 44381. Cache me Outside

Problem 44311. Number of Even Elements in Fibonacci Sequence

Problem 44364. Is this a valid Tic Tac Toe State?

Problem 281. Acid and water

Problem 44365. An asteroid and a spacecraft

Problem 44310. Digit concentration in Champernowne's constant

Problem 44344. The 5th Root

Problem 44341. Hexagonal numbers on a spiral matrix

Problem 44367. Inscribed Pentagon? 2

Problem 44337. Sums of Distinct Powers

Problem 44316. Pandigital Multiples of 11 (based on Project Euler 491)

Problem 44340. Recaman Sequence - III

Problem 44359. 5th Time's a Charm

Problem 44353. Group-wise Euclidean distance

Problem 44374. Tautology

Problem 44382. Parse me a Lisp

Problem 44387. Birthday cake

Problem 44379. One track five lanes

Problem 44376. The sliding puzzle: 3D

Problem 44343. Pair Primes

Problem 44347. Ned's queens

Problem 44377. Five steps to enlightenment

Problem 44378. Five-dimensional maze