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Solved

Ternary Conditional Operator

Returns one of two expressions depending on a condition. (test) : (expression1) : (expression2) *test:* Any Boolean ex...

4 years ago

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Test your luck!

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6 years ago

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Just take it easy for a second or two!

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6 years ago

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Wait a second!

Your code needs to take 'exactly' one second to run — accurate to ±0.5 milliseconds. The input will be the number of millis...

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Tautology

Check if the given expression is always true. For example, the sentence '~(A & B) == (~A | ~B)' is always true. Chara...

6 years ago

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Shorten pathname

Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

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Big data

Optimize this line of code: B = sum(gradient(corrcoef(A)).^2); for a matrix A with size(A,2)>>size(A,1) *Description:...

6 years ago

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One track five lanes

Find the minimum number of lane changes necessary to cross the entire track without running into any obstacles <<http://www.a...

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Five steps to enlightenment

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6 years ago

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The sliding puzzle: 3D

This is an extension of <https://www.mathworks.com/matlabcentral/cody/problems/42842 problem 42842>. In this case, the puzzle is...

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Five-dimensional maze

*Description* The traditional maze is 2-dimensional: the navigator can move in the positive or negative directions along two ...

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Pandigital Multiples of 11 (based on Project Euler 491)

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Inscribed Pentagon? 2

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Ned's Queens

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Recaman Sequence - III

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Circumscribed Pentagon?

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Hexagonal numbers on a spiral matrix

Put hexagonal numbers in a ( m x m ) spiral matrix and return the sum of its diagonal elements. Formula of hexagonal numbers ...

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Birthday cake

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Cache me Outside

The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

6 years ago

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Is this a valid Tic Tac Toe State?

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6 years ago

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Pair Primes

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6 years ago

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Digit concentration in Champernowne's constant

Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

6 years ago

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"Cody" * 5 == "CodyCodyCodyCodyCody"

*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

6 years ago

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Group-wise Euclidean distance

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An asteroid and a spacecraft

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Sums of Distinct Powers

You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

6 years ago

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5th Time's a Charm

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6 years ago

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Pi Digit Probability

Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...

6 years ago

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Parse me a Lisp

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6 years ago

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Acid and water

⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

6 years ago