# Problems

1 – 24 of 24
 Problem Title Likes Solvers Difficulty

#### Problem 8. Add two numbers

Created by: Cody Team

213

35529

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

Created by: Cody Team

Tags basic, test, basics

184

43468

#### Problem 1545. Return area of square

Created by: Marek Kuklis

53

10182

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

Created by: Cody Team

216

41461

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

45

10114

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

Created by: Doug Hull

32

6459

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

39

10533

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

50

8120

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

117

23150

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

Created by: Dimitris Kaliakmanis

73

12228

#### Problem 1702. Maximum value in a matrix

Created by: Gnaneswar Nadh satapathi

61

10308

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

48

7595

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

Created by: Cody Team

162

27528

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

Created by: @bmtran (Bryant Tran)

31

7130

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

Created by: Nichlas

46

8469

#### Problem 7. Column Removal

Created by: Cody Team

123

21707

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

Created by: Doug Hull

47

6873

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

Created by: Jean-Marie Sainthillier

40

6309

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

Created by: Srivardhini

Tags binary, sum

52

6319

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

93

13875

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

Created by: Cody Team

90

16881

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

Created by: Cody Team

119

16645

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

Created by: Binbin Qi

Tags zeros, for, ones

104

7914

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

142

14809

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