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Why the heck are they blinking!?!?
Merry Christmas everyone! Sadly, the lights you've had on your tree for so many years burned out, and it's time to get a new se...

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Lights Out 2 - 5x5, 4 moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

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Lights Out 1 - 5x5, 3 moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

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Most Frequent Word - 01
Given a document file or a character array, find out the most frequent word in that document. In the case of multiple words -...

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The cake is a lie...
You're hosting a birthday party with a large number of screaming children. Fortunately, you have a gigantic sheet cake in front...

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You LOVES Matlab 41%
Given two strings, determine the percentage that one loves the other in the following way: YOU LOVES MATLAB there is 1 '...

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Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

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Create initial basic feasible solution for transportation problems -Minimum Cost Method

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Deduce Equations for Simplified Interstellar Doppler Effect ✨
R2-D2 and C-3PO are friends. R2-D2 boards a spacecraft bound to a galaxy far, far away, but is always in contact with C-3PO, als...

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Mirror, mirror on the wall, who is fairest of them all?
The Elo rating system was featured in the movie *The Social Network* during the <https://www.youtube.com/watch?v=BzZRr4KV59I/ al...

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Find last non-zero in a given dimension
You are given a logical matrix *BW* _of any dimension_, and a dimension *dim*. You need to find the locations of the last non-ze...

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Fractal: area and perimeter of Koch snowflake
Starting from an equilateral triangle with side 's', what is the area and perimeter of Koch snowflake at n'th recursive iteratio...

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Repeat elements of a vector
Repeat each elements of a given vector according to their values. * x=[1,2,1,3] * y=[1,2,2,1,3,3,3]

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Ratio between sums of prime and non-prime numbers
Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-pr...

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Vector creation using colon operator
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.

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Count integers in randomized vector that are multiples of a given number.
The mod() function We might all remember the days when we were taught to divide and then set the remainder aside if the numbers...

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Return part of an array
Given a 5x5 array, return a 3x3 array that contains the cells that are not on the edge of the array: Given this array Return...

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Summing the last column column
Given a matrix, return the sum of the last column of the array.

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The twelve days of Christmas
Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

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How many days?!?
Christmas is coming earlier and earlier each year. Thanks to rampant commercialism and Christmas Creep, "The Twelve Days of Chr...

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Calculate the Damerau-Levenshtein distance between two strings.
<http://www.mathworks.co.uk/matlabcentral/cody/problems/2303-compute-hamming-distances-between-each-pair-of-rows-from-two-input-...

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longest common substring : Skipped character version
Two strings are given. Find the longest common substring between them. The substring characters need not be adjacent. They, howe...

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Path calculation with polynomials
Let a vector x be the input to our function. 1. If a value of an input vector element x is lower than 0, set this value to 0....

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Number Puzzle - 111

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Write script that gives matrix like the following example:)
if x=2; y=[2 1; 1 1] if x=4; y=[4 3 2 1 3 3 2 1 0 2 2 1 0 0 1 1] if x=5; y=[5 4 3 2 ...

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Find the square root of x
Determine the square root of x. For example square root of 4 is 2.

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Add Odd and Subtract Even Numbers in an Array
For an input array, add all the odd values and subtract the even values. The final value is the output. E.g. input = [1 2 3 4 ...

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Diophantine Equations (Inspired by Project Euler, problem 66)
Consider the quadratic Diophantine equation of the form: x^2 – Dy^2 = 1 When D=13, the minimal solution in x is 649^2 – 13...

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Angle between two vectors
Given 2 pairs of _cartesian co-ordinates_, determine the angle between the 2 vectors formed by the _points_ and the _origin_. An...

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Some tweaks in summation, Can you decode? :)
There are some tweaks in summation that you might observe via test suites Try if you can

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