# Problems

1 – 32 of 32
 Problem Title Likes Solvers Difficulty

#### Problem 43563. Calculate cosine without cos(x)

Created by: Marco Tullio

1

77

#### Problem 2161. Let's get back to school, and create multiplication tables

Created by: Swapnali Gujar

1

171

#### Problem 2281. Array ex-OR

Created by: Jan Orwat

3

42

#### Problem 2499. Airline Ticket Mod7 Checksum

Created by: Peter Cook

2

61

#### Problem 44274. Calculate the sum of two polynomials

Created by: Rafael Hernandez-Walls

0

59

#### Problem 42775. Raise a polynomial to a power

Created by: William

1

62

#### Problem 44156. Weighted average

Created by: Informaton

1

79

#### Problem 44498. Please check the last row

Created by: Noriko HOUNOKI

1

43

#### Problem 44159. calculate PI without using pi function

Created by: huashou

Tags pi;

2

68

#### Problem 2240. Sum the 'edge' values of a matrix

Created by: Dimitrios

Tags easy, matrix, sum

8

289

#### Problem 1344. Moving average (variable kernel length)

Created by: Selvaraaju Murugesan

2

112

#### Problem 43283. Subtract integers and add doubles

Created by: Marc Jakobi

3

68

#### Problem 1502. Perl 1: push

Created by: Clemens Giegerich

Tags perl

0

65

#### Problem 43564. Calculate sin(x) without sin(x)

Created by: Marco Tullio

1

77

#### Problem 43968. Concatenated roots

Created by: Daniel Pereira

3

32

#### Problem 43560. Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Created by: Marco Tullio

Tags triangle

0

71

#### Problem 2157. Multiplication

Created by: Abdullah Caliskan

4

74

Created by: JD

1

46

#### Problem 2810. Determinant without using det()

Created by: Mattias

3

47

Created by: goc3

3

38

#### Problem 511. Converting Decimal to Binary

Created by: Turgut

0

63

#### Problem 44065. Number of even divisors of a given number

Created by: Jihye Sofia Seo

2

38

#### Problem 43650. Church Encoding

Created by: Kensuke Fujita

3

21

#### Problem 44467. Product of Each Column

Created by: Shaul Salomon

Tags matrices, 22105

3

381

#### Problem 110. Make an N-dimensional Multiplication Table

Created by: @bmtran (Bryant Tran)

5

118

#### Problem 2797. modular arithmetic

Created by: rifat

2

42

#### Problem 44490. Vector pop

Created by: Shaul Salomon

Tags vectors, 22105

2

377

#### Problem 1274. Accurate Division

Created by: Khaled Hamed

4

26

#### Problem 44486. Vector push

Created by: Shaul Salomon

Tags vector, 22105

2

371

#### Problem 44491. Shuffle

Created by: Shaul Salomon

0

319

#### Problem 2237. Mmm! Multi-dimensional Matrix Multiplication

Created by: J-G van der Toorn

2

19

Created by: goc3

2

20

1 – 32 of 32