Cody

# Problems

1 – 50 of 4,155
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, easy

303

54255

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

Created by: Cody Team

Tags basic, basics, colon

131

35553

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

Created by: Cody Team

116

31951

#### Problem 8. Add two numbers

Created by: Cody Team

123

27989

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

Created by: Cody Team

99

20339

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

Created by: Cody Team

100

19330

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

87

17468

#### Problem 7. Column Removal

Created by: Cody Team

90

17214

#### Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

257

17123

#### Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

244

15296

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

Created by: Cody Team

54

13050

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

Created by: Cody Team

58

12410

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

164

12381

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

Created by: Cody Team

72

11919

#### Problem 12. Fibonacci sequence

Created by: Cody Team

74

9868

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

61

9834

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

80

9823

#### Problem 189. Sum all integers from 1 to 2^n

Created by: Dimitris Kaliakmanis

44

8414

#### Problem 44943. Calculate Amount of Cake Frosting

Created by: Pooja Lalan

53

7508

#### Problem 44944. Convert from Fahrenheit to Celsius

Created by: Pooja Lalan

30

7146

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

Created by: Cody Team

65

6827

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

Created by: Cody Team

Tags easy, matrices

37

6782

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

Created by: Cody Team

58

6719

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

19

6364

Created by: Will

31

6281

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

Created by: Cody Team

Tags 3n+1, sample

63

6167

#### Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

51

6063

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

Created by: Cody Team

Tags matrices

31

5832

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

29

5703

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

23

5463

23

5113

#### Problem 44947. Find the Oldest Person in a Room

Created by: Pooja Lalan

37

5101

#### Problem 1545. Return area of square

Created by: Marek Kuklis

28

4999

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4598

#### Problem 838. Check if number exists in vector

Created by: Nichlas

26

4467

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

22

4327

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

Created by: Cody Team

20

4327

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

78

4106

#### Problem 247. Arrange Vector in descending order

Created by: Vishwanathan Iyer

22

4076

#### Problem 109. Check if sorted

Created by: AMITAVA BISWAS

15

3968

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

26

3968

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

53

3892

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

Created by: Cody Team

Tags search

17

3817

#### Problem 1658. Simple equation: Annual salary

Created by: matlab.zyante.com

Tags easy, basics, salary

16

3779

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

Created by: Cody Team

Tags vectors

23

3750

#### Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4

Created by: Binbin Qi

Tags zeros, for, ones

57

3614

#### Problem 135. Inner product of two vectors

Created by: AMITAVA BISWAS

20

3602

#### Problem 624. Get the length of a given vector

Created by: Yudong Zhang

15

3560

#### Problem 44946. Solve a System of Linear Equations

Created by: Pooja Lalan

23

3452

#### Problem 649. Return the first and last character of a string

Created by: @bmtran (Bryant Tran)

14

3448

1 – 50 of 4,155