Cody

# Tim

Rank
Score

#### convert 2D array of ones and zeros to checkerboard array of [1,2] where the original array was ones and zero elsewhere

Created by Aaron T. Becker's Robot Swarm Lab

Tags arrays

Problem Group Community

#### Union Jack Matrix

Created by JD

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#### Permute the unique values of a vector without sorting

Created by Gareth Lee

Tags permute, unique

Problem Group Community

#### Count the Digits in the Box

Created by Ned Gulley

Problem Group Community

Created by JD

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#### Vandermonde Matrix

Created by JD

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#### Laguerre Polynomial

Created by JD

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#### Divide the Least Common Multiple by the Greatest Common Divisor of two numbers

Created by JD

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#### 0, 2, 0, -2, 0, 2, 0, -2, ...

Created by Peng Liu

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#### Replicate and Tile an Array

Created by JINWOO LEE

Tags matrix

Problem Group Community

#### Arc length of points interpolation

Created by Kwin

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#### Tent matrix

Created by JAEHYUK WOO

Tags diamond, matrix

Problem Group Community

#### Where is the number that you want to find?

Created by Iik Jae Park

Tags indexing

Problem Group Community

#### "Bubblegum, Bubblegum, in a dish; How many pieces do you wish?"

Created by JD

Tags children, games

Problem Group Community

#### Sort rows of a matrix

Created by Jakub Rysanek

Tags sorting

Problem Group Community

#### Create cotangent function out of sine.

Created by Sophie Onyshkevych

Tags cotangent, cot, sin

Problem Group Community

#### 4 Digit Sequence Repetitions

Created by JD

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#### Calculate the centroid of a triangle

Created by Sophie Onyshkevych

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#### Euclidean distance from a point to a polynomial

Created by John D'Errico

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#### Find the sides of an isosceles triangle when given its area and height from its base to apex

Created by Andriy Kavetsky

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#### Find Pseudo-Cyclic Number

Created by Jaeho Seol

Tags cyclic, number

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#### Avengers Assemble!

Created by Jamil Kasan

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#### Bubble sort

Created by Bert

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#### Weighted Convolution

Created by Peng Liu

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#### Sum of digits of powers of 2

Created by Mayuri Patil

Tags digit, sum

Problem Group Community

#### Sums of cubes and squares of sums

Created by John D'Errico

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#### Zero Cross

Created by Abdullah Caliskan

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#### Find the inverse permutation

Created by Jens Kjærgaard Boldsen

Tags vector, math

Problem Group Community

#### Nth roots of unity

Created by martin

Tags unity, root, complex

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#### Values in Array

Created by Karen Yee

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#### How Far Can You Throw Something?

Created by James

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#### Counting the Grand Primes

Created by John D'Errico

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#### Pseudo Square Root (Inspired by Project Euler 266)

Created by James

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#### Transpose of matrix

Created by Pritesh Shah

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#### Differential equation and events

Created by hubert andre

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#### Block average

Created by Peng Liu

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#### Rotate Matrix @180 degree

Created by Pritesh Shah

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#### Assignment Problem

Created by Jerivington

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#### Find the sum of n squares

Created by William Mitchell

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#### Frobenius McNugget Factorization

Created by Ned Gulley

Problem Group Community

#### Replace values out of an interval with the lower or upper values

Created by Francisco

Tags min, max

Problem Group Community

#### Identify the sequence

Created by HH

Tags sequences

Problem Group Community

#### Does this dress make me look fat

Created by david

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#### RGB to CMYK

Created by Daniel Pereira

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#### Fifteen Parity Check

Created by Richard Zapor

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#### Height of a right-angled triangle

Created by Jasmina Lazic

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#### Crunch that matrix!

Created by James

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#### LMI Twins : Fuzzy Image matching

Created by Richard Zapor

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#### Approximate e

Created by HH

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#### Lambert's W

Created by Daniel Pereira

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