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Find my lucky number
Write a function which returns my lucky number

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Mean of a matrix
Determine numeric mean of a matrix

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Binairy invert
given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

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Chicken race
2 chickens, Pete and Fred, compete in a 100 meter race. Pete runs at a velocity of vp meter/second and Fred is slower, running ...

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time difference
The arrays x and y contain time values in the form of: x = [hours minutes seconds] Create the output z which contains the...

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Remove multiples of N
in the vector x remove all multiples of N. x = [1 2 3 4 5 6]; N = 2; Then y = [1 3 5];

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Non trivial identities - complexification
Return x by complexifying it.

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Non trivial identities - replication
Return x by replicating itself in any dimension.

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Non trivial identities - open your eyes
Return x by using your eyes.

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Non trivial identities - multiplication
Return x by multiplying it with a random number.

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Non trivial identities - double negative
Return x after negating it.

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Find the volume of cone
Find the volume of cone, when given radius(r) and height(h).

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Non trivial identities - polynomial
Return x as a polynomial of itself.

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Sum of digits of powers of 2
Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

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Odd row
Create a row 'y' with odd numbers where the range of numbers is given by 'x' and the space between them by 'm'. The first number...

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Euclidean inter-point distance matrix
The Euclidean distance between two points in a p-dimensional space is a really common thing to compute in the field of computati...

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What's size of TV?
Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

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