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Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

2

Solutions

55

Size

2

Solutions

55

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

1

Solution

54

Size

1

Solution

54

Size

Problem 15. Find the longest sequence of 1's in a binary sequence.

Created by: Cody Team

Tags regexp, diff, strings

1

Solution

59

Size

1

Solution

59

Size

Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

1

Solution

42

Size

1

Solution

42

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

Tags indexing, stupid, notice the rignt sequence of money!

1

Solution

28

Size

1

Solution

28

Size

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

1

Solution

60

Size

1

Solution

60

Size

Problem 56288. Angle Between Analog Clock Hands

Created by: Matt Tearle

Tags math, geometry

1

Solution

54

Size

1

Solution

54

Size

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

2

Solutions

48

Size

2

Solutions

48

Size

Problem 1190. Golomb's self-describing sequence (based on Euler 341)

Created by: James

Tags projecteuler, self-referential, golomb sequence

1

Solution

44

Size

1

Solution

44

Size

Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

1

Solution

90

Size

1

Solution

90

Size

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

1

Solution

54

Size

1

Solution

54

Size

Problem 44359. 5th Time's a Charm

Created by: goc3

Tags approximation, cody5, five

5

Solutions

46

Size

5

Solutions

46

Size

Problem 44337. Sums of Distinct Powers

Created by: James

Tags binary, cody5, distinct powers

1

Solution

81

Size

1

Solution

81

Size

Problem 44344. The 5th Root

Created by: goc3

Tags root, power, cody5

1

Solution

16

Size

1

Solution

16

Size

Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

1

Solution

16

Size

1

Solution

16

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

1

Solution

50

Size

1

Solution

50

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

1

Solution

32

Size

1

Solution

32

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

1

Solution

20

Size

1

Solution

20

Size

Problem 1722. Find the next prime number

Created by: Chris E.

Tags prime

1

Solution

61

Size

1

Solution

61

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

1

Solution

43

Size

1

Solution

43

Size

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

1

Solution

72

Size

1

Solution

72

Size

Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

1

Solution

81

Size

1

Solution

81

Size

Problem 42340. Fibonacci Decomposition

Created by: Ned Gulley

Tags fibonacci

1

Solution

81

Size

1

Solution

81

Size

Problem 44481. How many Fibonacci numbers?

Created by: Bob Tivnan

Tags integers, fibonacci, #easy

1

Solution

81

Size

1

Solution

81

Size

Problem 2024. Triangle sequence

Created by: Tanya Morton

Tags pythagoras, fibonacci

1

Solution

62

Size

1

Solution

62

Size

Problem 1946. Fibonacci-Sum of Squares

Created by: Chris Cleveland

Tags fibonacci, sum of squares

1

Solution

43

Size

1

Solution

43

Size

Problem 44951. Verify Law of Large Numbers

Created by: Pooja Lalan

Tags rand, random integers

1

Solution

29

Size

1

Solution

29

Size

Problem 44946. Solve a System of Linear Equations

Created by: Pooja Lalan

Tags matrix creation, vector creation, backslash

1

Solution

39

Size

1

Solution

39

Size

Problem 1891. High Precision Square Root (Inspired by Project Euler 80)

Created by: James

Tags projecteuler, square root

1

Solution

317

Size

1

Solution

317

Size

Problem 42754. Odd elimination

Created by: Zikobrelli

Tags projecteuler

1

Solution

40

Size

1

Solution

40

Size

Problem 42913. Pseudo Square Root (Inspired by Project Euler 266)

Created by: James

Tags projecteuler

1

Solution

76

Size

1

Solution

76

Size

Problem 1082. Lychrel Number Test (Inspired by Project Euler Problem 55)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1

Solution

130

Size

1

Solution

130

Size

Problem 2320. Pandigital number n°2 (Inspired by Project Euler 32)

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

1

Solution

103

Size

1

Solution

103

Size

Problem 1084. Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15, poor_problem_statement

1

Solution

50

Size

1

Solution

50

Size

Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

Tags primes, projecteuler, circular reasoning

1

Solution

137

Size

1

Solution

137

Size

Problem 1106. I've got the power! (Inspired by Project Euler problem 29)

Created by: James

Tags projecteuler, powers, snap!

1

Solution

56

Size

1

Solution

56

Size

Problem 2319. Pandigital number n°1 (Inspired by Project Euler 32)

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

1

Solution

48

Size

1

Solution

48

Size

Problem 273. Recurring Cycle Length (Inspired by Project Euler Problem 26)

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

1

Solution

93

Size

1

Solution

93

Size

Problem 42936. Project Euler: Problem 11, Largest product in a grid

Created by: Riam Su

Tags projecteuler

1

Solution

187

Size

1

Solution

187

Size

Problem 42938. Project Euler: Problem 18, Maximum path sum I

Created by: Riam Su

Tags projecteuler, euler

1

Solution

64

Size

1

Solution

64

Size

Problem 44733. Large Sum (inspired by Project Euler 13)

Created by: goc3

Tags string, project euler, large number

1

Solution

243

Size

1

Solution

243

Size

Problem 252. Project Euler: Problem 16, Sums of Digits of Powers of Two

Created by: @bmtran (Bryant Tran)

Tags project euler, big integer, digits

2

Solutions

95

Size

2

Solutions

95

Size

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

1

Solution

75

Size

1

Solution

75

Size

Problem 2340. Numbers spiral diagonals (Part 1)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

1

Solution

47

Size

1

Solution

47

Size

Problem 42673. Longest Collatz Sequence

Created by: Jean-Marie Sainthillier

Tags project euler, collatz number

1

Solution

75

Size

1

Solution

75

Size

Problem 47548. decipher the number 1 - same key for all digits :)

Created by: Sibi

Tags dechiper

2

Solutions

72

Size

2

Solutions

72

Size

Problem 752. Is X a Fibonacci Matrix?

Created by: Sean de Wolski

Tags fibonacci, Tic...Toc...

1

Solution

142

Size

1

Solution

142

Size

Problem 43294. Can we make a triangle?

Created by: Asad (Mehrzad) Khoddam

Tags triangle

1

Solution

24

Size

1

Solution

24

Size

Problem 43599. Find the sides of an isosceles triangle when given its area and height from its base to apex

Created by: Andriy Kavetsky

Tags geometry, triangle, area

1

Solution

38

Size

1

Solution

38

Size

Problem 42855. Height of a right-angled triangle

Created by: Jasmina Lazic

Tags geometry, poor_test_suite, pythagora

1

Solution

45

Size

1

Solution

45

Size

1 – 50 of 124