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

966

Problem 281. Acid and water

Created by: AMITAVA BISWAS

Tags cody5, exponential decay, fluid mixture

247

Problem 44365. An asteroid and a spacecraft

Created by: AMITAVA BISWAS

Tags projectile, mechanics, cody5

155

Problem 44367. Inscribed Pentagon? 2

Created by: goc3

Tags geometry, circle, radius

Problem 44344. The 5th Root

Created by: goc3

Tags root, power, cody5

539

Problem 44310. Digit concentration in Champernowne's constant

Created by: Mehmet OZC

Tags cody5, champernowne's constant, big number

117

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

Created by: Doug Hull

Tags cody5

113

Problem 44340. Recaman Sequence - III

Created by: Mehmet OZC

Tags cody5, recaman sequence

Problem 44337. Sums of Distinct Powers

Created by: James

Tags binary, cody5, distinct powers

146

Problem 44359. 5th Time's a Charm

Created by: goc3

Tags approximation, cody5, five

178

Problem 44341. Hexagonal numbers on a spiral matrix

Created by: Mehmet OZC

Tags big integer, cody5, hexagonal numbers

113

Problem 44353. Group-wise Euclidean distance

Created by: Peng Liu

Tags speed, cody5

Problem 44374. Tautology

Created by: Jan Orwat

Tags regular expressions, cody5

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

Created by: James

Tags projecteuler, pandigital, cody5

Tags 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 44343. Pair Primes

Created by: Mehmet OZC

Tags integers, prime numbers, cody5

Problem 44376. The sliding puzzle: 3D

Created by: HH

Tags puzzle, sliding, fifteen

Problem 44378. Five-dimensional maze

Created by: @bmtran (Bryant Tran)

Tags maze, graph theory, multidimensional

1 – 23 of 23

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 44381. Cache me Outside

Problem 44311. Number of Even Elements in Fibonacci Sequence

Problem 281. Acid and water

Problem 44365. An asteroid and a spacecraft

Problem 44367. Inscribed Pentagon? 2

Problem 44344. The 5th Root

Problem 44310. Digit concentration in Champernowne's constant

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

Problem 44340. Recaman Sequence - III

Problem 44337. Sums of Distinct Powers

Problem 44359. 5th Time's a Charm

Problem 44341. Hexagonal numbers on a spiral matrix

Problem 44353. Group-wise Euclidean distance

Problem 44374. Tautology

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

Problem 44382. Parse me a Lisp

Problem 44387. Birthday cake

Problem 44379. One track five lanes

Problem 44347. Ned's queens

Problem 44377. Five steps to enlightenment

Problem 44343. Pair Primes

Problem 44376. The sliding puzzle: 3D

Problem 44378. Five-dimensional maze