Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, easy

136

56505

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

Created by: Cody Team

Tags basic, basics, colon

90

42622

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

Created by: Cody Team

68

33290

#### Problem 8. Add two numbers

Created by: Cody Team

69

29673

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

Created by: Cody Team

90

23029

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

Created by: Cody Team

73

20921

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

64

18715

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

Created by: Cody Team

38

15368

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

145

14892

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

Created by: Cody Team

39

12512

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

Created by: Cody Team

50

12020

#### Problem 12. Fibonacci sequence

Created by: Cody Team

58

11384

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

54

9740

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

41

8312

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

Created by: Cody Team

49

7572

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

Created by: Cody Team

Tags easy, matrices

28

7208

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

Created by: Cody Team

Tags 3n+1, sample

52

6854

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

Created by: Cody Team

Tags matrices

27

6415

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

Created by: Cody Team

54

6319

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

22

5959

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

14

4883

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

67

4614

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

4565

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

Created by: Cody Team

17

3995

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

3525

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

Created by: Cody Team

Tags search

13

3492

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

Created by: Cody Team

Tags vectors

16

3373

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

Created by: Cody Team

34

3203

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

10

3168

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

3134

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

20

3112

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

11

2838

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

22

2582

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

Created by: Cody Team

Tags matlab

6

2488

#### Problem 48. Making change

Created by: Cody Team

Tags money

12

2389

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

Created by: Cody Team

18

2343

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

8

2116

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

21

2078

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

2078

#### Problem 72. Interpolator

Created by: Cody Team

9

2038

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

Created by: Cody Team

Tags matlab

11

1815

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

Created by: Cody Team

Tags encoding

8

1697

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

8

1686

#### Problem 35. Quote Doubler

Created by: Cody Team

6

1644

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

7

1612

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

11

1519

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

Created by: Cody Team

Tags distance

5

1386

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

Created by: Cody Team

7

1326

#### Problem 44. Trimming Spaces

Created by: Cody Team

6

1258

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

10

1233

1 – 50 of 94