Cody

Problems

1 – 50 of 203
Problem Title
Likes
Solvers
Difficulty

Problem 63. Encode Roman Numerals

Created by: Cody Team

Tags encoding, lookup table

3

899

Problem 65. Word Counting and Indexing

Created by: Cody Team

Tags strings

5

723

Problem 68. Kaprekar Steps

Created by: Cody Team

Tags matlab, lookup table, poor_problem_statement

19

1304

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

Created by: Riam Su

Tags projecteuler

4

48

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

9

248

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

14

156

Problem 713. Find the maximum number of decimal places in a set of numbers

Created by: Vincent

Tags strings, decimal

30

1097

Problem 3060. Scrabble Scores - 8

Created by: goc3

Tags game, board, word

3

17

Problem 1274. Accurate Division

Created by: Khaled Hamed

Tags long division

4

21

Problem 2643. Find out base of following arithmetic operation

Created by: Pritesh Shah

Tags numbers

4

12

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

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

3

73

Problem 1508. Change the sign

Created by: Claudio Gelmi

Tags matrix, change sign

1

39

Problem 44457. Triangle of numbers

Created by: Shaul Salomon

Tags matrices, loops, 22105

3

291

Problem 44838. Pose from bearing angles in 2D

Created by: Peter Corke

Tags homogeneous transformation, resection

2

14

Problem 44313. "Cody" * 5 == "CodyCodyCodyCodyCody"

Created by: Peng Liu

Tags multiplication, string, cody5

7

191

Problem 45398. Seconds

Created by: Asif Newaz

Tags time, date

2

10

Problem 44353. Group-wise Euclidean distance

Created by: Peng Liu

Tags speed, cody5

6

67

Problem 48920. Cipher and Decipher the message - 3 key

Created by: Sibi

Tags cipher, dicipher

0

4

Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

2

5

Problem 848. Calculate a modified Levenshtein distance between two strings

Created by: Matthew Eicholtz

Tags strings, string metric

1

58

Problem 51783. Solve an ODE: equation B

Created by: ChrisR

Tags differential equations, special functions, groundwater

0

4

Problem 520. Choose the best fitting dominoes

Created by: Doug Hull

Tags contest, poor_test_suite

3

213

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

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

11

178

Problem 1286. MatCAT - Reconstruct X from Its X-rays

Created by: Ned Gulley

Tags matrices

6

57

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

2

75

Problem 52. What is the next step in Conway's Life?

Created by: Cody Team

Tags life, automata

22

787

Problem 90. Connect Four Win Checker

Created by: Cody Team

Tags matlab, game

18

593

Problem 733. Extract Built In Functions and Toolbox Functions from String or Function Handle

Created by: Richard Zapor

Tags regexp, match, unique

3

49

Problem 1972. Convert matrix to 3D array of triangular matrices

Created by: Matthew Eicholtz

Tags matlab, matrix manipulation, logical indexing

3

67

Problem 2674. Generalised Hamming Number

Created by: Jean-Marie Sainthillier

Tags hamming

9

225

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

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

21

829

Problem 558. Is the Point in a Triangle?

Created by: Kuifeng

Tags circle

18

649

Problem 3075. Matrix of Multiplication Facts

Created by: James

Tags matrix, factors, elementary_school_math

9

60

Problem 1672. Leftovers? Again?!

Created by: James

Tags leftovers, modulo

2

16

Problem 1686. Generate a melodic contour string matrix

Created by: Ned Gulley

Tags strings, music

3

42

Problem 42834. Integer complexity (Large numbers)

Created by: Peng Liu

Tags integer, number theory, complexity

1

10

Problem 1189. Knights and Knaves (part 3)

Created by: Alfonso Nieto-Castanon

Tags logic, puzzles

5

29

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

Created by: James

Tags projecteuler, diophantine, pell equation

3

39

Problem 1257. PONG 001: Player vs Wall, 4 Lives, Interactive download

Created by: Richard Zapor

Tags geometry, trigonometry, interactive

1

9

Problem 1889. Get ranking of a combination looking for speed.

Created by: Doug Hull

Tags speed

1

26

Problem 1959. German tank problem

Created by: Alfonso Nieto-Castanon

Tags statistics, maximum likelihood, bayes

4

23

Problem 42504. Data Regularization

Created by: Peng Liu

Tags matrix, integer, vectorization

1

33

Problem 42588. Derivative function

Created by: LY Cao

Tags function, derivative, function_handle

3

11

Problem 44647. Win all the time!

Created by: Majid Farzaneh

Tags game, game theory, hard

3

12

Problem 44088. '5*3' copy character 3 - five times

Created by: Mehmet OZC

Tags string manipulation

4

15

Problem 45453. Spiral Out - 02

Created by: Asif Newaz

Tags matrix manipulation, spiral

1

8

Problem 49347. Cipher and Decipher the message - same key for all digits

Created by: Sibi

Tags cipher, decipher

0

3

Problem 49884. Prime Magic Squares

Created by: Doddy Kastanya

Tags prime numbers, magic squares

1

4

Problem 52724. Easy Sequences 20: Counting Prime-sided Rectangles

Created by: Ramon Villamangca

Tags easy, geometry, area

1

3

Problem 44486. Vector push

Created by: Shaul Salomon

Tags vector, 22105

2

350
1 – 50 of 203