# Problems

1 – 14 of 14
 Problem Title Likes Solvers Difficulty

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

Created by: Swapnali Gujar

1

183

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

Created by: Marco Tullio

1

93

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

Created by: William

1

69

#### Problem 44156. Weighted average

Created by: Informaton

1

91

#### Problem 2281. Array ex-OR

Created by: Jan Orwat

3

48

#### Problem 1502. Perl 1: push

Created by: Clemens Giegerich

Tags perl

0

71

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

Created by: huashou

Tags pi;

2

78

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

Created by: Rafael Hernandez-Walls

0

69

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

Created by: Marc Jakobi

3

82

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

Created by: Dimitrios

Tags easy, matrix, sum

8

311

#### Problem 2499. Airline Ticket Mod7 Checksum

Created by: Peter Cook

2

71

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

Created by: Noriko HOUNOKI

1

52

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

Created by: Marco Tullio

1

89

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

Created by: Selvaraaju Murugesan

2

118

1 – 14 of 14