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Travelling Salesman Problem (TSP)
Find a short way through given points. This is the travelling salesman problem. But the solution should be a fast and small func...

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Make the first letter of a sentence Capital.
In this problem you will be given a string of 2 or 3 lines. Your work is to make the first letters of every line Capital. You wi...

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Draw a triangle of ones
For any given n, return a matrix that includes a triangle of ones of height n: Example n = 3 output = [0,0,1,0,0 ...

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Create a column vector of n elements between a and b (both included)
Given lower limit a and an upper limit b, create a column vector of n elements inclusive of a and b. For example: a = 1, b = 4,...

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Exhaust all possible logical vectors
Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

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A KING AND 100 PRISONERS

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Flip the diagonal values
Write a program that flip the elements of main diagonal , upper and lower diagonal values of a sqare matrix. For example if a ...

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Calculate Triangle Area: A, B and Beta is given

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Calculate the Distance to Source of Lightning
Lightning discharge heats air rapidly with lightning channels reaching temperatures of up to 50,000 degrees Fahrenheit (which is...

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Dominant Matrix - 01
A matrix is said to be diagonally dominant if for every row of the matrix, the magnitude of the diagonal entry in a row is large...

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Original coordinate of the min element of a subset of elements

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Sum of 2 numbers in array
Given an array and a target sum, return true if any 2 numbers in the array sum up to the given target sum. Both numbers cannot h...

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Identifying teenager
Suppose the age of a person is given. If he/she is a teenage, answer is 'yes'. Otherwise, the answer is 'no'.

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Zero or hero
A number will be given as an input. You can be hero if it's not zero. (Just for fun)

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Let's create histogram data by yourself.
We'd like to create histogram data, which first column shows the data, and second column shows the frequency. input = [1, 2, 1,...

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Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...

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Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. A p...

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Cricket - Is It LBW?
LBW has an unfair reputation as complicated. But if you've watched a third umpire referral, you'll know that it's just a logical...

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Cricket - Peak Batting Average
Given a vector s of strings representing a batter's individual innings scores (in chronological order), return the highest batti...

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Cricket - Represent Average in "Dulkars" and "Ses"
Sachin Tendulkar's Test average was 53.78. So if Tendulkar = 53.78, one dulkar = 5.378. Similarly, Roger Twose's average was 25....

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Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

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Korselt's Criterion
A composite integer n (n>=2) divides b^n-b, i.e. mod(b^n-b,n)==0, for all integers b if and only if n is square-free (doesn't ha...

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Cricket - Career Batting Statistics
Given a vector s of strings representing a batter's individual innings scores, return their career statistics as a 4-element (nu...

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Cricket - How Much More to Beat Bradman?
Sir Don Bradman famously needed only 4 runs in his final innings to retire with an average of 100. Out for a duck, he ended inst...

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Cricket - Average Partnership Contribution
The (infamous) Duckworth-Lewis method uses statistical models of how much each wicket partnership is worth to an innings (on ave...

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Cricket - Sort Batters by Distance Run
Given a string vector of batters' names, a vector of the total number of runs they scored, a vector of the number of 4s they sco...

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Identify Ruth-Aaron numbers
After Hank Aaron hit his 715th home run and passed Babe Ruth’s total of 714, Carl Pomerance noticed that the union of the prime ...

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Exact Cover
An efficient solution to the exact cover problem can be useful in many situations. In this problem, you are welcome to use Knuth...

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Problème


Exact Cover
An efficient solution to the exact cover problem can be useful in many situations. In this problem, you are welcome to use Knuth...

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List the emirps
An emirp is a prime number that becomes a different prime when reversed. The numbers 13, 17, and 149 are emirps, but 11, 19, and...

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