# Problems

51 – 94 of 94
 Problem Title Likes Solvers Difficulty

#### Problem 47. Extract leading non-zero digit

Created by: Cody Team

5

1637

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

Created by: Cody Team

Tags matlab

3

1151

#### Problem 48. Making change

Created by: Cody Team

Tags money, subs

15

2784

#### Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

16

1835

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

Created by: Cody Team

Tags regexp, states

5

997

#### Problem 15. Find the longest sequence of 1's in a binary sequence.

Created by: Cody Team

69

4814

#### Problem 54. Maximum running product for a string of numbers

Created by: Cody Team

6

1629

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

19

1861

#### Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

8

1109

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

Created by: Cody Team

Tags matlab

4

1066

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

Created by: Cody Team

18

1753

#### Problem 29. Nearest Numbers

Created by: Cody Team

39

3856

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

90

5037

#### Problem 56. Scrabble Scores

Created by: Cody Team

9

1489

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

Created by: Cody Team

Tags regexp, states

8

989

#### Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

19

1663

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

42

3463

#### Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

13

1984

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

Created by: Cody Team

Tags 3n+1

16

1674

#### Problem 75. Find the palindrome

Created by: Cody Team

Tags strings

7

1124

#### Problem 36. Find relatively common elements in matrix rows

Created by: Cody Team

Tags matlab

9

1469

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

Created by: Cody Team

Tags regexp

6

875

#### Problem 79. DNA N-Gram Distribution

Created by: Cody Team

Tags matlab

6

945

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

13

2188

#### Problem 67. Find common elements in matrix rows

Created by: Cody Team

Tags matlab

19

1997

#### Problem 24. Function Iterator

Created by: Cody Team

57

1575

#### Problem 78. Implement a ROT13 cipher

Created by: Cody Team

9

1229

#### Problem 89. Counting in Finnish

Created by: Cody Team

11

1101

#### Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

15

1736

#### Problem 55. Counting Sequence

Created by: Cody Team

Tags encoding

18

1485

#### Problem 81. Mandelbrot Numbers

Created by: Cody Team

11

1188

#### Problem 43. Subset Sum

Created by: Cody Team

Tags matlab

23

1402

#### Problem 96. Knight's Tour Checker

Created by: Cody Team

Tags matlab, chess

23

964

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

Created by: Cody Team

Tags regexp, strings

13

1147

#### Problem 68. Kaprekar Steps

Created by: Cody Team

24

1681

#### Problem 84. Longest Divisor Run

Created by: Cody Team

Tags matlab

6

886

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

Created by: Cody Team

19

1795

#### Problem 63. Encode Roman Numerals

Created by: Cody Team

Tags encoding

5

1227

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

Created by: Cody Team

Tags life, automata

25

1073

#### Problem 65. Word Counting and Indexing

Created by: Cody Team

Tags strings

9

1183

#### Problem 90. Connect Four Win Checker

Created by: Cody Team

Tags matlab, game

19

861

#### Problem 58. Tic Tac Toe FTW

Created by: Cody Team

19

1286

#### Problem 93. Calculate the Levenshtein distance between two strings

Created by: Cody Team

18

874

#### Problem 95. Given two arrays, find the maximum overlap

Created by: Cody Team

Tags matlab

18

949

51 – 94 of 94