Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, easy

138

56939

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

Created by: Cody Team

Tags basic, basics, colon

90

42769

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

Created by: Cody Team

69

33445

#### Problem 8. Add two numbers

Created by: Cody Team

69

29809

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

Created by: Cody Team

90

23076

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

Created by: Cody Team

73

20990

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

64

18780

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

Created by: Cody Team

38

15408

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

146

14932

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

Created by: Cody Team

39

12550

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

Created by: Cody Team

50

12073

#### Problem 12. Fibonacci sequence

Created by: Cody Team

58

11431

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

41

10226

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

54

9794

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

Created by: Cody Team

49

7611

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

Created by: Cody Team

54

7471

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

Created by: Cody Team

Tags easy, matrices

28

7236

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

Created by: Cody Team

Tags 3n+1, sample

52

6891

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

Created by: Cody Team

Tags matrices

27

6446

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

22

5985

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

14

4912

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

Created by: Cody Team

17

4657

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

67

4652

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

4590

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

Created by: Cody Team

Tags search

13

4149

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

Created by: Cody Team

Tags vectors

16

3976

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

20

3594

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

3549

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

Created by: Cody Team

34

3228

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

11

3190

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

3160

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

11

2852

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

22

2601

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

Created by: Cody Team

Tags matlab

6

2502

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

8

2494

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

21

2488

#### Problem 48. Making change

Created by: Cody Team

Tags money

12

2402

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

Created by: Cody Team

18

2358

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

Created by: Cody Team

Tags matlab

11

2143

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

2094

#### Problem 72. Interpolator

Created by: Cody Team

9

2056

#### Problem 35. Quote Doubler

Created by: Cody Team

6

1834

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

7

1818

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

11

1792

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

8

1725

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

Created by: Cody Team

Tags encoding

8

1714

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

Created by: Cody Team

Tags distance

5

1682

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

Created by: Cody Team

7

1539

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

10

1496

#### Problem 44. Trimming Spaces

Created by: Cody Team

6

1451

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