Cody

Problems

1 – 33 of 33
Problem Title
Likes
Solvers
Difficulty

Problem 42937. Project Euler: Problem 14, Longest Collatz sequence

Created by: Riam Su

Tags projecteuler

1

15

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

Created by: James

Tags projecteuler, powers, snap!

2

94

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

Created by: Doug Hull

Tags projecteuler, basic matlab

5

808

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

Created by: Doug Hull

Tags projecteuler

7

1153

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

Created by: Doug Hull

Tags projecteuler

25

1707

Problem 42754. Odd elimination

Created by: Zikobrelli

Tags projecteuler

1

49

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

Created by: James

Tags projecteuler

1

35

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

Created by: Doug Hull

Tags projecteuler

2

376

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

13

616

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

179

Problem 42935. Sums of cubes and squares of sums

Created by: John D'Errico

Tags integers, projecteuler, numbers

7

124

Problem 2721. Pandigital Factors (Based on Euler 491)

Created by: James

Tags projecteuler, pandigital

2

27

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

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1

62

Problem 2664. Divisors for big integer

Created by: Jean-Marie Sainthillier

Tags projecteuler, divisors

1

65

Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

Tags projecteuler

6

472

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

Created by: Doug Hull

Tags projecteuler, fibonacci

19

1023

Problem 42394. It's going down. We're finding simbers!

Created by: James

Tags projecteuler, you better move, you better dance

3

51

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

Created by: Doug Hull

Tags projecteuler

7

492

Problem 44732. Highly divisible triangular number (inspired by Project Euler 12)

Created by: goc3

Tags series, triangle, projecteuler

1

51

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

5

361

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

Created by: Riam Su

Tags projecteuler, euler

3

46

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

Created by: James

Tags projecteuler, self-referential, golomb sequence

3

114

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

Created by: James

Tags primes, projecteuler, circular reasoning

6

155

Problem 2606. Decrypt the cypher using XOR encryption (for beginners)

Created by: Jean-Marie Sainthillier

Tags xor, projecteuler, encryption

1

33

Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

Tags projecteuler

3

297

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

Created by: Riam Su

Tags projecteuler

4

47

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

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

21

716

Problem 1215. Diophantine Equations (Inspired by Project Euler, problem 66)

Created by: James

Tags projecteuler, diophantine, pell equation

3

36

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

Created by: James

Tags projecteuler, pandigital, cody5

5

42

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

Created by: James

Tags projecteuler, square root

2

21

Problem 44448. Project Euler: Problem 14 Longest Collatz sequence

Created by: li haitao

Tags projecteuler, speed optimization

2

8

Problem 44793. Project Euler 249: Prime Subset Sums

Created by: li haitao

Tags projecteuler

1

13

Problem 45429. Prime Sum

Created by: Asif Newaz

Tags primes, projecteuler, euler

0

5
1 – 33 of 33