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

Tags easy, multiplication

183

Problem 43563. Calculate cosine without cos(x)

Created by: Marco Tullio

Tags trigonometry

Problem 42775. Raise a polynomial to a power

Created by: William

Tags math, basic matlab, polynomial

Problem 44156. Weighted average

Created by: Informaton

Tags vectors, weighted average, matrix multiplication

Problem 2281. Array ex-OR

Created by: Jan Orwat

Tags xor, basic matlab, exclusive or

Problem 1502. Perl 1: push

Created by: Clemens Giegerich

Tags perl

Problem 44159. calculate PI without using pi function

Created by: huashou

Tags pi;

Problem 44274. Calculate the sum of two polynomials

Created by: Rafael Hernandez-Walls

Tags linear algebra, polynomial

Problem 43283. Subtract integers and add doubles

Created by: Marc Jakobi

Tags integer, float, poor_problem_statement

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

Created by: Dimitrios

Tags easy, matrix, sum

311

Problem 2499. Airline Ticket Mod7 Checksum

Created by: Peter Cook

Tags mod7, plane ticket, checksum

118

1 – 14 of 14

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

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

Problem 43563. Calculate cosine without cos(x)

Problem 42775. Raise a polynomial to a power

Problem 44156. Weighted average

Problem 2281. Array ex-OR

Problem 1502. Perl 1: push

Problem 44159. calculate PI without using pi function

Problem 44274. Calculate the sum of two polynomials

Problem 43283. Subtract integers and add doubles

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

Problem 2499. Airline Ticket Mod7 Checksum

Problem 44498. Please check the last row

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

Problem 1344. Moving average (variable kernel length)