Problems

1 – 50 of 290

Problem Title Likes Solvers Difficulty

Problem 8054. Stress-Strain Properties - 7

Created by: goc3

Tags test, stress, strain

Problem 1873. Break it up! Break it up!

Created by: James

Tags partitions

Problem 44486. Vector push

Created by: Shaul Salomon

Tags vector, 22105

379

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

Created by: Ned Gulley

Tags matrices

Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

Tags numbers, number theory, sequence

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

197

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

109

Problem 43. Subset Sum

Created by: Cody Team

Tags matlab

1507

Problem 42829. Number construction III

Created by: HH

Tags numbers

Problem 1187. Knave in the middle attack

Created by: Alfonso Nieto-Castanon

Tags logic, puzzles, difficulty high

Problem 1260. RISK board game battle simulation

Created by: Jeremy

Tags matlab, probability, games

Problem 1949. Get top 5 Cody Player Emails Automatically

Created by: Shaun VanWeelden

Tags urlread, html, parsing

Problem 44080. Construct a "diagAdiag" matrix

Created by: Vinod Kumar Singla

Tags vectors, indexing

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

Created by: Mehmet OZC

Tags string manipulation

Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

Problem 44374. Tautology

Created by: Jan Orwat

Tags regular expressions, cody5

Problem 52911. Easy Sequences 41: Boxes with Integer Edges

Created by: Ramon Villamangca

Tags easy, geometry, simple

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 577. Repopulate the City

Created by: Ned Gulley

Tags factors

305

Problem 520. Choose the best fitting dominoes

Created by: Doug Hull

Tags contest, poor_test_suite

198

Problem 2674. Generalised Hamming Number

Created by: Jean-Marie Sainthillier

Tags hamming

263

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

Created by: Richard Zapor

Tags regexp, match, unique

Problem 375. N-Dimensional Array Slice

Created by: @bmtran (Bryant Tran)

Tags indexing

172

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

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

255

Problem 42283. Look and say Conway's sequence

Created by: Giuseppe Cardillo

Tags encoding, conway's sequence, run-length encoding

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

Created by: James

Tags projecteuler, square root

Problem 52644. List modest numbers up to n

Created by: ChrisR

Tags sequence, divisibility

Problem 821. Pentago: find winning move

Created by: Matthew Eicholtz

Tags matrix manipulation, strategy, games

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

Created by: Ramon Villamangca

Tags easy, sequences, primes

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

284

Problem 96. Knight's Tour Checker

Created by: Cody Team

Tags matlab, chess

1059

Problem 1319. Leap years on other planets

Created by: Tim

Tags leap year, astronomy

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

Created by: Cody Team

Tags regexp, strings

1265

Problem 44491. Shuffle

Created by: Shaul Salomon

Tags vectors, function, 22105

324

Problem 84. Longest Divisor Run

Created by: Cody Team

Tags matlab

984

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

Created by: Vincent

Tags strings, decimal

2010

Problem 379. Chromatic Tuner

Created by: @bmtran (Bryant Tran)

Tags music, acoustics, logarithms

Problem 42588. Derivative function

Created by: LY Cao

Tags function, derivative, function_handle

Problem 43119. 3D indexes

Created by: Luca Fenzi

Tags indexing 3d

Problem 1238. PACMAT - Ghosts Random; 3 Lives

Created by: Richard Zapor

Tags maze, games, pacmat

Problem 1742. Generate a Parasitic Number

Created by: James

Tags parasitic, cyclic

Problem 2448. Back to the future

Created by: Óscar

Tags reflection

Problem 1896. Index one element in each vector of an array along a given dimension

Created by: Oliver Woodford

Tags indexing

Problem 1959. German tank problem

Created by: Alfonso Nieto-Castanon

Tags statistics, maximum likelihood, bayes

1 – 50 of 290

Difficulty Rating

Problem Groups

Problems