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does it touch ?

given a sentence, tell how much it touches. input : string output : how much it touches touching : a bilabial phoneme d...

bijna 5 jaar ago

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Einsteinium-253 decay

Radioactive Einsteinium-253 has a half-life of 1,768,608 seconds. Given 1000mg of Einsteinium-253 at t=0 days, how much is lef...

bijna 5 jaar ago

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Compute change

A cashier distributes change using the maximum number of five dollar bills, followed by one dollar bills. Given amountToChange, ...

bijna 5 jaar ago

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Nth root.

* Assign outValues with the nth root of the inValues, the root is specified by rootValue

bijna 5 jaar ago

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Currency conversion

A currency exchange booth offers an exchange rate of 119.771 Japanese yen for 1 US dollar. The currency exchange booth rounds do...

bijna 5 jaar ago

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Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

bijna 5 jaar ago

Problem

Modified Upper Matrix Mock

Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

bijna 5 jaar ago | 1 | 38 solvers

Problem

Circular Shift Me

Given a vector v=[1 3 6 9 11], circular shift them while iterating m=[1 3 6 9 11; 11 1 3 6 9; 9 11 1 3 6; 6 9 11 1 3; 3 6 9 1...

bijna 5 jaar ago | 0 | 45 solvers

Solved

Strangest ways to get 0

Propose your non-trivial way to get 0. Look mine's, and try to do your best!

bijna 5 jaar ago

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Solving a quadratic equation

Given a, b and c, Return the solution of the following quadratic equation: a*x^2 + b*x + c = 0.

bijna 5 jaar ago

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Polynomial division

Divide a polynomial u by polynomial v and return the quotients only. Example: u = x^4+3*x^3+5*x+3 v = x^2+1 Answer: ...

bijna 5 jaar ago

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Additive persistence

Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

bijna 5 jaar ago

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Accessing elements on the diagonal

Access the diagonal elements of a matrix without 'diag' function

bijna 5 jaar ago

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Multiple if statements

Write an if-statement that subtracts 5 from outputValue if amplitudeResponse is greater than 10. Write a second if-statement tha...

bijna 5 jaar ago

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Food safety

Assign safeTemperature with 1 if foodTemperature is less than 40 or greater than 165.

bijna 5 jaar ago

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Check bounds

Assign inRange with 1 if userWeight is greater than 100 and less than or equal to 200.

bijna 5 jaar ago

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Genetic markers test

Assign testResult with 1 if either geneticMarkerA is 1 or geneticMarkerB is 1. If geneticMarkerA and geneticMarkerB are both 1, ...

bijna 5 jaar ago

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convert?

* Given a string containing a number followed by pounds or kgs, for example: * 'Billy lost 22 pounds in four weeks.' * 'Maria ...

bijna 5 jaar ago

Solved

Vectorizing, too easy or too hard?

Please insert a . before any ^, * or / in the string. That's it!!

bijna 5 jaar ago

Solved

deconvolution

* Suppose there is a vector v like [1 0 0 -1], representing polynomial coefficients. * In this example, the polynimial is 1*x^3...

bijna 5 jaar ago

Problem

Refresh your system of equations

Given square matrix, and solution vector, find the values of the variables Example: xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2...

bijna 5 jaar ago | 4 | 42 solvers

Solved

System of equations

Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

bijna 5 jaar ago

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Distance walked 3D

suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

bijna 5 jaar ago

Solved

Snakes on a plane

Given the dimensions of a 2-d plane, create a matrix where a "snake" of ones occupies the plane from top left to bottom right. ...

bijna 5 jaar ago

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Sorting

Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

bijna 5 jaar ago

Problem

N-plicate me

Modified version of duplicate and triplicate me. Repeat elements of input vector with given input n Ex: input = [1 2 3 4 5...

bijna 5 jaar ago | 4 | 57 solvers

Solved

Who knows the last digit of pi?

There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

bijna 5 jaar ago

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Function definition: Double down.

* Complete the DoubleDown function to return twice the initialValue.

bijna 5 jaar ago

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Computing wind chill

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

bijna 5 jaar ago