# Problems

1 – 24 of 24
 Problem Title Likes Solvers Difficulty

#### Problem 8. Add two numbers

Created by: Cody Team

179

33223

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

Created by: Cody Team

Tags basic, test, basics

170

41184

#### Problem 1545. Return area of square

Created by: Marek Kuklis

44

8511

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

39

8677

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

Created by: Cody Team

180

38250

#### Problem 641. Make a random, non-repeating vector.

Created by: Doug Hull

24

5395

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

33

9248

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

39

6957

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

107

21452

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

Created by: Dimitris Kaliakmanis

64

11087

43

8715

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

Created by: Cody Team

144

25167

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

39

6460

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

Created by: @bmtran (Bryant Tran)

23

6021

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

Created by: Nichlas

39

7277

#### Problem 7. Column Removal

Created by: Cody Team

114

20385

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

Created by: Doug Hull

39

5764

#### Problem 1087. Magic is simple (for beginners)

Created by: Jean-Marie Sainthillier

30

5246

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

83

12637

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

Created by: Srivardhini

Tags binary, sum

44

5253

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

Created by: Cody Team

83

15545

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

Created by: Cody Team

106

15265

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

Created by: Binbin Qi

Tags zeros, for, ones

88

6622

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

121

13284

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