Cody

# Cody5:Hard

Curated by : Cody Team

Hard problems for Cody 5th Anniversary.

Cody5:Hard Master

+50 points

Problem Title
Likes
Solvers

#### The 5th Root

Created by: goc3

Tags power, root, five

6

385

#### Number of Even Elements in Fibonacci Sequence

Created by: Mehmet OZC

3

258

#### "Cody" * 5 == "CodyCodyCodyCodyCody"

Created by: Peng Liu

5

174

#### Acid and water

Created by: AMITAVA BISWAS

1

173

#### 5th Time's a Charm

Created by: goc3

Tags five, charm, fail

4

134

#### An asteroid and a spacecraft

Created by: AMITAVA BISWAS

3

109

#### Sums of Distinct Powers

Created by: James

5

109

#### Digit concentration in Champernowne's constant

Created by: Mehmet OZC

4

87

#### Is this a valid Tic Tac Toe State?

Created by: Doug Hull

Tags cody5

3

77

#### Cache me Outside

Created by: @bmtran (Bryant Tran)

Tags cody5, memoize

2

61

#### Hexagonal numbers on a spiral matrix

Created by: Mehmet OZC

1

60

#### Pair Primes

Created by: Mehmet OZC

4

56

Created by: goc3

1

55

Created by: goc3

0

53

#### Recaman Sequence - III

Created by: Mehmet OZC

0

53

#### Group-wise Euclidean distance

Created by: Peng Liu

Tags cody5, speed

4

49

#### Parse me a Lisp

Created by: @bmtran (Bryant Tran)

Tags cody5, lisp, parse

2

48

#### Ned's Queens

Created by: HH

Tags cody5, contest

1

43

#### Birthday cake

Created by: Matthew Eicholtz

3

42

#### One track five lanes

Created by: Alfonso Nieto-Castanon

Tags cody5

2

34

#### Pandigital Multiples of 11 (based on Project Euler 491)

Created by: James

4

33

#### Tautology

Created by: Jan Orwat

3

30

#### Five-dimensional maze

Created by: @bmtran (Bryant Tran)

2

28

#### Five steps to enlightenment

Created by: Alfonso Nieto-Castanon

4

28

#### The sliding puzzle: 3D

Created by: HH

Tags sliding, puzzle, 15

6

26

#### Recent Activity

 18 hours and 15 minutes ago 20 hours and 19 minutes ago 20 hours and 30 minutes ago on 20 Jun 2018 at 12:18 on 19 Jun 2018 at 19:45