# Problems

1 – 20 of 20
 Problem Title Likes Solvers Difficulty

#### Problem 8. Add two numbers

Created by: Cody Team

181

33465

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

Created by: Cody Team

Tags basic, test, basics

171

41435

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

39

8791

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

Created by: Cody Team

185

38572

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

33

9342

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

39

7039

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

107

21626

44

8852

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

Created by: Cody Team

145

25408

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

39

6536

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

Created by: @bmtran (Bryant Tran)

24

6103

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

Created by: Nichlas

40

7376

#### Problem 7. Column Removal

Created by: Cody Team

114

20492

#### Problem 645. Getting the indices from a vector

Created by: Doug Hull

39

5848

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

83

12737

#### Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags binary, sum

44

5330

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

Created by: Cody Team

84

15664

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

Created by: Cody Team

106

15397

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

Created by: Binbin Qi

Tags zeros, for, ones

90

6718

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

123

13447

1 – 20 of 20