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Vigenere cipher - be like Sherlock Holmes!
You're a young detective. Every detective needs a function to decrypt a vigenère cipher. It's a modification of a caesar cipher....

fast 5 Jahre vor

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Big numbers, least significant digits
Given two numbers, x and n, return the last d digits of the number that is calculated by x^n. In all cases, d will be the number...

etwa 5 Jahre vor

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Text File Read: 64 bit data set
This Challenge is to read a text file that has vary large integers up to 2e18, typical for <http://code.google.com/codejam/conte...

etwa 5 Jahre vor

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Champernowne Constant
The <http://en.wikipedia.org/wiki/Champernowne_constant Champernowne constant> is a real number whose digits in decimal represen...

etwa 5 Jahre vor

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P-smooth numbers
This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

etwa 5 Jahre vor

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Smallest distance between a point and a rectangle
Given two points *x* and *y* placed at opposite corners of a rectangle, find the minimal euclidean distance between another poin...

etwa 5 Jahre vor

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Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...

etwa 5 Jahre vor

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Increase monotonically
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

etwa 5 Jahre vor

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Simple String Concatenation
This is a simple problem involving taking two incoming strings, and outputting the concatenated string with a space separating t...

etwa 5 Jahre vor

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Add the positive numbers
Add only the positive numbers of x example: x = [-2 -1 0 1 2 3] the positive numbers are: 1 2 3, so their sum is 6

etwa 5 Jahre vor

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Modulation index
The amplitude of the carrier signal is 2V and the amplitude of the modulating signal is 8V. Find its modulation index.

etwa 5 Jahre vor

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~(*|/)
Return three quarters of n without using addition, subtraction, multiplication or division.

etwa 5 Jahre vor

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The answer to life the universe and everything
Write a function that gives the answer to life the universe and everything to every input except the input is 42. In this case t...

etwa 5 Jahre vor

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Make a checkerboard matrix (★★★★★)
(copy of Prob. 4) Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1...

etwa 5 Jahre vor

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Given a number N, find the smallest prime P>N
Given a number N, find the smallest prime P greater than N. For example: If N=10 then P=11. If N=13 then P=17.

etwa 5 Jahre vor

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Even or Odd
Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

etwa 5 Jahre vor

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lb to kilogram
convert lb to kilogram units, easy

etwa 5 Jahre vor

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Add the even numbers
Add only the even numbers of x example: x = [1 2 3 4 5] the positive numbers are: 2 4, so their sum is 6

etwa 5 Jahre vor

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Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

etwa 5 Jahre vor

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Second smallest number
What is the second smallest number in x? example: x = [1 2 3 4 5 6 7 8 9] y = 2

etwa 5 Jahre vor

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Vandermonde Matrix
Create the Vandermonde Matrix of the given vector. The matrix consists of columns as powers of the vector, so the first column i...

etwa 5 Jahre vor

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Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

etwa 5 Jahre vor

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Calculate Resistance
Calculate Resistance R of a linear conductor having resistivity p, length l and area A

etwa 5 Jahre vor

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Check if inputted variable is a string or a number
Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).

etwa 5 Jahre vor

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Sum of self power series
The series, 1^1,2^2,3^3,4^4,.... Find the sum of such series when x terms are given.

etwa 5 Jahre vor

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World Cup 2018 Prediction!
Which team will be the winner?

etwa 5 Jahre vor

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divide by 5

etwa 5 Jahre vor

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Get the array of sum for three consecutive numbers in an array
Get the array of sum, for three consecutive numbers in an array. if Input 'x' does not have at-least 3 elements then 'y' shou...

etwa 5 Jahre vor

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Add the odd numbers
Add only the odd numbers of x example: x = [1 2 3 4 5] the positive numbers are: 1 3 5, so their sum is 9

etwa 5 Jahre vor

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intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

etwa 5 Jahre vor