Problems

51 – 94 of 94

Problem Title Likes Solvers

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

1050

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

1033

Problem 31. Remove all the words that end with "ain"

Created by: Cody Team

Tags regexp, strings, matlab 101

1021

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

981

Problem 47. Extract leading non-zero digit

Created by: Cody Team

Tags math, maths, mathematics

962

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

956

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

953

Problem 53. Duplicates

Created by: Cody Team

Tags matlab, strings, sets

846

Problem 24. Function Iterator

Created by: Cody Team

Tags anonymous functions, function handles, nested functions

845

Problem 54. Maximum running product for a string of numbers

Created by: Cody Team

Tags matlab, sequences, poor_test_suite

812

Problem 67. Find common elements in matrix rows

Created by: Cody Team

Tags matlab

801

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

789

Problem 69. Find the peak 3n+1 sequence value

Created by: Cody Team

Tags 3n+1

780

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

Created by: Cody Team

Tags data cleaning, average

773

Problem 68. Kaprekar Steps

Created by: Cody Team

Tags matlab, lookup table, poor_problem_statement

735

Problem 43. Subset Sum

Created by: Cody Team

Tags matlab

733

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags parens, regexp

724

Problem 56. Scrabble Scores

Created by: Cody Team

Tags strings, scrabble

717

Problem 78. Implement a ROT13 cipher

Created by: Cody Team

Tags matlab, lookup table, cipher

647

Problem 55. Counting Sequence

Created by: Cody Team

Tags encoding

643

Problem 36. Find relatively common elements in matrix rows

Created by: Cody Team

Tags matlab

640

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

612

Problem 66. Find the two-word state names

Created by: Cody Team

Tags states, regexp

555

Problem 61. Find state names that end with the letter A

Created by: Cody Team

Tags regexp, states

548

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes, poor_test_suite

546

Problem 58. Tic Tac Toe FTW

Created by: Cody Team

Tags game, tic tac toe, fun

545

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

538

Problem 89. Counting in Finnish

Created by: Cody Team

Tags strings, finnish

521

Problem 63. Encode Roman Numerals

Created by: Cody Team

Tags encoding, lookup table

517

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

Created by: Cody Team

Tags strings, regexp

491

Problem 82. Remove the small words from a list of words.

Created by: Cody Team

Tags matlab

472

Problem 75. Find the palindrome

Created by: Cody Team

Tags strings

466

Problem 92. Find state names that start with the letter N

Created by: Cody Team

Tags regexp, states

460

Problem 85. Remove the polynomials that have positive real elements of their roots.

Created by: Cody Team

Tags matlab

444

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

Created by: Cody Team

Tags life, automata

420

Problem 91. Get the area codes from a list of phone numbers

Created by: Cody Team

Tags regexp

413

Problem 81. Mandelbrot Numbers

Created by: Cody Team

Tags matlab, fractals

411

Problem 65. Word Counting and Indexing

Created by: Cody Team

Tags strings, poor_test_suite

410

Problem 79. DNA N-Gram Distribution

Created by: Cody Team

Tags matlab

394

Problem 96. Knight's Tour Checker

Created by: Cody Team

Tags matlab

360

Problem 84. Longest Divisor Run

Created by: Cody Team

Tags matlab

336

Problem 90. Connect Four Win Checker

Created by: Cody Team

Tags matlab, game

329

Problem 93. Calculate the Levenshtein distance between two strings

Created by: Cody Team

Tags matlab, string metric

300

Problem 95. Given two strings, find the maximum overlap

Created by: Cody Team

Tags matlab

296

51 – 94 of 94

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Problems

Problem Groups