Problems

1 – 50 of 268

Problem Title Likes Solvers Difficulty

Problem 44345. MATLAB Counter

Created by: Peng Liu

Tags cody5, nested function

244

Problem 42455. Divisible by n, prime divisors - 11, 13, 17, & 19

Created by: goc3

Tags prime, string, precision

Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

Tags numbers, number theory, sequence

Problem 875. Return a list sorted by number of consecutive occurrences

Created by: Jean-Marie Sainthillier

Tags vectors, indexing

316

Problem 43. Subset Sum

Created by: Cody Team

Tags matlab

1405

Problem 1686. Generate a melodic contour string matrix

Created by: Ned Gulley

Tags strings, music

Problem 520. Choose the best fitting dominoes

Created by: Doug Hull

Tags contest, poor_test_suite

221

Problem 45426. The Tortoise and the Hare - 02

Created by: Asif Newaz

Tags algorithm

Problem 3098. Scrabble Scores - 13

Created by: goc3

Tags game, board, word

Problem 2643. Find out base of following arithmetic operation

Created by: Pritesh Shah

Tags numbers

Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

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

Created by: Mehmet OZC

Tags string manipulation

Problem 44374. Tautology

Created by: Jan Orwat

Tags regular expressions, cody5

Problem 54720. Hyperperfect Numbers

Created by: Dyuman Joshi

Tags numbers, number theory

Problem 54750. Find the length of stream affected by a spill

Created by: ChrisR

Tags solver, calculus, maximum

Problem 55315. Chain multiplication - 04

Created by: Asif Newaz

Tags string, matrix, string manipulation

Problem 55370. Easy Sequences 69: Radix Economy of Factorials

Created by: Ramon Villamangca

Tags easy, basics, number theory

Problem 44486. Vector push

Created by: Shaul Salomon

Tags vector, 22105

372

Problem 375. N-Dimensional Array Slice

Created by: @bmtran (Bryant Tran)

Tags indexing

167

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

104

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

190

Problem 96. Knight's Tour Checker

Created by: Cody Team

Tags matlab, chess

968

Problem 44457. Triangle of numbers

Created by: Shaul Salomon

Tags matrices, loops, 22105

304

Problem 44080. Construct a "diagAdiag" matrix

Created by: Vinod Kumar Singla

Tags vectors, indexing

Problem 2674. Generalised Hamming Number

Created by: Jean-Marie Sainthillier

Tags hamming

257

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

279

Problem 88. It dseon't mettar waht oedrr the lrettes in a wrod are.

Created by: Cody Team

Tags regexp, strings

1151

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

Created by: James

Tags projecteuler, square root

Problem 52574. Easy Sequences 8: Triangles with integer sides and prime perimeters

Created by: Ramon Villamangca

Tags easy, sequences, primes

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

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

250

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

Created by: Richard Zapor

Tags regexp, match, unique

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

Created by: Ned Gulley

Tags matrices

Problem 1319. Leap years on other planets

Created by: Tim

Tags leap year, astronomy

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

Created by: Vincent

Tags strings, decimal

1771

Problem 68. Kaprekar Steps

Created by: Cody Team

Tags matlab, lookup table, poor_problem_statement

1685

Problem 848. Calculate a modified Levenshtein distance between two strings

Created by: Matthew Eicholtz

Tags strings, string metric

102

Problem 84. Longest Divisor Run

Created by: Cody Team

Tags matlab

890

Problem 71. Read a column of numbers and interpolate missing data

Created by: Cody Team

Tags data cleaning, average

1798

Problem 45362. RIPEMD160 Hash

Created by: David Hill

Tags hash, ripemd160

Problem 43119. 3D indexes

Created by: Luca Fenzi

Tags indexing 3d

Problem 1959. German tank problem

Created by: Alfonso Nieto-Castanon

Tags statistics, maximum likelihood, bayes

Problem 52644. List modest numbers up to n

Created by: ChrisR

Tags sequence, divisibility

Problem 52978. Easy Sequences 44: Finding the Smallest Number whose Cube is divisible by a Factorial

Created by: Ramon Villamangca

Tags easy, number theory, simple

Problem 53119. Easy Sequences 53: Greatest Proper Divisor

Created by: Ramon Villamangca

Tags easy, number theory, simple

Problem 53735. Easy Sequences 58: Curious Prime-Rational Functions

Created by: Ramon Villamangca

Tags easy, primes, function

Problem 2085. Sudoku Solver - Standard 9x9

Created by: Richard Zapor

Tags logic, recursion, games

1 – 50 of 268

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