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1 – 50 of 162

Problem 44240. Area of a Square

Created by: Jerry Gu

Tags easy, geometry, formula

1

Solution

12

Size

1

Solution

12

Size

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

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

1

Solution

111

Size

1

Solution

111

Size

Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

Tags projecteuler

11

Solutions

71

Size

11

Solutions

71

Size

Problem 752. Is X a Fibonacci Matrix?

Created by: Sean de Wolski

Tags fibonacci, Tic...Toc...

4

Solutions

67

Size

4

Solutions

67

Size

Problem 2423. Integer Sequence - II : New Fibonacci

Created by: rifat

Tags fibonacci, integer sequence

14

Solutions

59

Size

14

Solutions

59

Size

Problem 198. Are you in or are you out?

Created by: the cyclist

Tags polygon, basics, poor_test_suite

1

Solution

18

Size

1

Solution

18

Size

Problem 392. Clock Hand Angle 1

Created by: @bmtran (Bryant Tran)

Tags math, clocks, fractions

3

Solutions

86

Size

3

Solutions

86

Size

Problem 636. Spherical radius given four points

Created by: Richard Zapor

Tags geometry linear algebra, non-linear

5

Solutions

432

Size

5

Solutions

432

Size

Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

12

Solutions

65

Size

12

Solutions

65

Size

Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

14

Solutions

115

Size

14

Solutions

115

Size

Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

8

Solutions

72

Size

8

Solutions

72

Size

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

2

Solutions

109

Size

2

Solutions

109

Size

Problem 191. Proper Factors

Created by: @bmtran (Bryant Tran)

Tags proper factors

29

Solutions

42

Size

29

Solutions

42

Size

Problem 417. Covering area

Created by: Nikolai

Tags area, triangulation, geometrics

2

Solutions

66

Size

2

Solutions

66

Size

Problem 42340. Fibonacci Decomposition

Created by: Ned Gulley

Tags fibonacci

1

Solution

92

Size

1

Solution

92

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

32

Size

1

Solution

32

Size

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

Created by: James

Tags primes, projecteuler, circular reasoning

2

Solutions

95

Size

2

Solutions

95

Size

Problem 1722. Find the next prime number

Created by: Chris E.

Tags prime

1

Solution

51

Size

1

Solution

51

Size

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

54

Size

2

Solutions

54

Size

Problem 246. Project Euler: Problem 8, Find largest product in a large string of numbers

Created by: Doug Hull

Tags projecteuler

3

Solutions

51

Size

3

Solutions

51

Size

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

18

Solutions

32

Size

18

Solutions

32

Size

Problem 234. Project Euler: Problem 3, Largest prime factor

Created by: Doug Hull

Tags projecteuler

2

Solutions

77

Size

2

Solutions

77

Size

Problem 43016. Find the next Fibonacci number

Created by: Steven Van Vaerenbergh

Tags fibonacci

5

Solutions

50

Size

5

Solutions

50

Size

Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

Tags projecteuler

3

Solutions

50

Size

3

Solutions

50

Size

Problem 250. Project Euler: Problem 10, Sum of Primes

Created by: Doug Hull

Tags projecteuler, basic matlab

2

Solutions

14

Size

2

Solutions

14

Size

Problem 330. Circumscribed circles

Created by: Alan Chalker

Tags geometry

3

Solutions

66

Size

3

Solutions

66

Size

Problem 194. Clockwise or Counterclockwise

Created by: Alfonso Nieto-Castanon

Tags math, polygon

1

Solution

87

Size

1

Solution

87

Size

Problem 193. Smallest distance between a point and a rectangle

Created by: Alfonso Nieto-Castanon

Tags math, distance

1

Solution

22

Size

1

Solution

22

Size

Problem 381. Angle between two vectors

Created by: Aurelien Queffurust

Tags vectors, geometry, angle

12

Solutions

27

Size

12

Solutions

27

Size

Problem 2908. Approximation of Pi

Created by: goc3

Tags pi, infinite series, approximation

8

Solutions

49

Size

8

Solutions

49

Size

Problem 953. Pi Estimate 1

Created by: Ed Hall

Tags for loop

3

Solutions

45

Size

3

Solutions

45

Size

Problem 1066. Multiples of a Number in a Given Range

Created by: @bmtran (Bryant Tran)

Tags factor, plus15, colon

2

Solutions

36

Size

2

Solutions

36

Size

Problem 43269. Get all prime factors

Created by: Jamil Kasan

Tags primes, factorization

1

Solution

16

Size

1

Solution

16

Size

Problem 148. Factorize THIS, buddy

Created by: the cyclist

Tags easy prime, basic matlab

2

Solutions

26

Size

2

Solutions

26

Size

Problem 2910. Mersenne Primes vs. All Primes

Created by: goc3

Tags primes, comparison, powers

1

Solution

74

Size

1

Solution

74

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

4

Solutions

32

Size

4

Solutions

32

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

2

Solutions

63

Size

2

Solutions

63

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

3

Solutions

73

Size

3

Solutions

73

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

4

Solutions

65

Size

4

Solutions

65

Size

Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

1

Solution

89

Size

1

Solution

89

Size

Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

Tags projecteuler

2

Solutions

27

Size

2

Solutions

27

Size

Problem 833. Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

Created by: Richard Zapor

Tags right-angled triangles, non standard methods, right-angle triangles

4

Solutions

22

Size

4

Solutions

22

Size

Problem 336. Similar Triangles - find the height of the tree

Created by: Bruce Raine

Tags multiplication, arithmetic, geometry

1

Solution

19

Size

1

Solution

19

Size

Problem 190. Great Circle Distance

Created by: @bmtran (Bryant Tran)

Tags distance, great circle, azimuth

9

Solutions

62

Size

9

Solutions

62

Size

Problem 3092. Return fibonacci sequence do not use loop and condition

Created by: Binbin Qi

Tags loop, fibonacci, condition

1

Solution

37

Size

1

Solution

37

Size

Problem 44481. How many Fibonacci numbers?

Created by: Bob Tivnan

Tags integers, fibonacci, #easy

2

Solutions

57

Size

2

Solutions

57

Size

Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

Created by: Cody Team

Tags projecteuler, fibonacci

11

Solutions

56

Size

11

Solutions

56

Size

Problem 44311. Number of Even Elements in Fibonacci Sequence

Created by: Mehmet OZC

Tags fibonacci, cody5, big number

2

Solutions

18

Size

2

Solutions

18

Size

Problem 434. Return the Fibonacci Sequence

Created by: Matt Fig

Tags fibonacci

11

Solutions

48

Size

11

Solutions

48

Size

Problem 230. Project Euler: Problem 1, Multiples of 3 and 5

Created by: Doug Hull

Tags projecteuler

5

Solutions

41

Size

5

Solutions

41

Size

1 – 50 of 162