Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, easy

208

49733

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

Created by: Cody Team

Tags basic, basics, colon

110

33710

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

Created by: Cody Team

95

30026

#### Problem 8. Add two numbers

Created by: Cody Team

93

26406

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

Created by: Cody Team

85

18904

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

Created by: Cody Team

95

18695

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

76

16315

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

Created by: Cody Team

47

12633

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

152

11916

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

Created by: Cody Team

51

11437

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

Created by: Cody Team

59

10965

#### Problem 12. Fibonacci sequence

Created by: Cody Team

63

9435

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

52

8955

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

64

8848

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

Created by: Cody Team

56

6608

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

Created by: Cody Team

Tags easy, matrices

32

6570

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

Created by: Cody Team

53

6452

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

Created by: Cody Team

Tags 3n+1, sample

54

5911

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

Created by: Cody Team

Tags matrices

30

5679

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

23

5452

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

16

4414

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

Created by: Cody Team

18

4190

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

73

3929

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

48

3733

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

Created by: Cody Team

Tags search

14

3700

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

Created by: Cody Team

Tags vectors

19

3578

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

22

3276

#### Problem 29. Nearest Numbers

Created by: Cody Team

28

3127

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

Created by: Cody Team

37

3018

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

13

2933

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

2859

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

12

2760

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

23

2322

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

9

2293

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

23

2281

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

Created by: Cody Team

Tags matlab

6

2252

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

Created by: Cody Team

18

2105

#### Problem 48. Making change

Created by: Cody Team

Tags money

12

2060

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

Created by: Cody Team

Tags matlab

11

1951

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

1822

#### Problem 72. Interpolator

Created by: Cody Team

12

1778

#### Problem 35. Quote Doubler

Created by: Cody Team

6

1767

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

8

1734

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

11

1631

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

Created by: Cody Team

Tags distance

5

1538

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

Created by: Cody Team

Tags encoding

9

1530

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

10

1480

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

Created by: Cody Team

7

1428

#### Problem 44. Trimming Spaces

Created by: Cody Team

6

1354

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

12

1336

1 – 50 of 94