Cody

# Problems

1 – 50 of 81
 Problem Title Likes Solvers Difficulty

#### Problem 26. Determine if input is odd

Created by: Cody Team

108

20444

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

98

19926

#### Problem 6. Select every other element of a vector

Created by: Cody Team

130

23348

#### Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN

Created by: Cody Team

58

13840

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

2017

#### Problem 35. Quote Doubler

Created by: Cody Team

8

2038

#### Problem 30. Sort a list of complex numbers based on far they are from the origin.

Created by: Cody Team

22

4614

#### Problem 14. Find the numeric mean of the prime numbers in a matrix.

Created by: Cody Team

Tags easy, matrices

40

7335

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

78

11522

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

27

3719

#### Problem 19. Swap the first and last columns

Created by: Cody Team

75

14359

#### Problem 12. Fibonacci sequence

Created by: Cody Team

89

10736

#### Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

34

6215

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6215

#### Problem 72. Interpolator

Created by: Cody Team

26

2484

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1966

#### Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

857

#### Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

71

6702

#### Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

14

1545

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4974

#### Problem 9. Who Has the Most Change?

Created by: Cody Team

69

7326

#### Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

91

13958

#### Problem 44. Trimming Spaces

Created by: Cody Team

8

1609

#### Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

67

7284

#### Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1783

#### Problem 73. Replace NaNs with the number that appears to its left in the row.

Created by: Cody Team

Tags matlab

15

2213

#### Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

6

1538

#### Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

9

2512

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2668

#### Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1550

#### Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

991

#### Problem 46. Which doors are open?

Created by: Cody Team

23

2401

#### Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4143

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

177

13450

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

25

3614

#### Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

940

#### Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1409

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

54

4298

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2107

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

Created by: Cody Team

Tags primes

14

1511

#### Problem 53. Duplicates

Created by: Cody Team

4

1402

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

Created by: Cody Team

Tags matlab

2

808

#### Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

7

1868

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

Created by: Cody Team

Tags matlab

7

858

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

Created by: Cody Team

4

1361

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2789

#### Problem 37. Pascal's Triangle

Created by: Cody Team

20

3241

#### Problem 56. Scrabble Scores

Created by: Cody Team

8

1173

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

17

1586

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

Created by: Cody Team

5

1316

1 – 50 of 81