Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers

#### Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

160

62256

#### Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

Created by: Cody Team

Tags basic, basics, colon

95

44166

#### Problem 3. Find the sum of all the numbers of the input vector

Created by: Cody Team

76

34822

#### Problem 8. Add two numbers

Created by: Cody Team

77

30982

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

Created by: Cody Team

91

23520

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

Created by: Cody Team

79

21862

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

69

19456

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

Created by: Cody Team

42

15715

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

147

15286

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

Created by: Cody Team

46

13081

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

Created by: Cody Team

54

12738

#### Problem 12. Fibonacci sequence

Created by: Cody Team

59

11771

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

47

10714

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

58

10419

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

Created by: Cody Team

52

7867

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

Created by: Cody Team

54

7684

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

Created by: Cody Team

Tags easy, matrices

30

7466

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

Created by: Cody Team

Tags 3n+1, sample

53

7105

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

Created by: Cody Team

Tags matrices

27

6651

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

23

6187

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

15

5089

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

70

4826

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

Created by: Cody Team

17

4796

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

47

4748

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

Created by: Cody Team

Tags search

13

4316

#### Problem 16. Return the largest number that is adjacent to a zero

Created by: Cody Team

Tags vectors

18

4136

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

21

3727

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

3689

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

Created by: Cody Team

35

3457

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

13

3320

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

3299

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

12

3078

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

22

2724

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

21

2644

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

8

2632

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

Created by: Cody Team

Tags matlab

6

2611

#### Problem 48. Making change

Created by: Cody Team

Tags money

12

2538

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

Created by: Cody Team

18

2495

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

Created by: Cody Team

Tags matlab

11

2245

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

2216

#### Problem 72. Interpolator

Created by: Cody Team

10

2194

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

8

1961

#### Problem 35. Quote Doubler

Created by: Cody Team

6

1919

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

7

1916

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

11

1876

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

Created by: Cody Team

Tags distance

5

1823

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

Created by: Cody Team

Tags encoding

9

1801

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

Created by: Cody Team

7

1619

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

12

1585

#### Problem 44. Trimming Spaces

Created by: Cody Team

6

1539

1 – 50 of 94