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# bainhome

### NEU

2.916 total contributions since 2013

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Create a matrix that counts up diagonally
Given a single input _N_, create a _N_ x _N_ matrix that counts from 1 : _N_ ², (along up-right diagonals, starting with 1 in th...

alrededor de 17 horas ago

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Beads on a Necklace (Convex Hulls)
We may describe a <http://en.wikipedia.org/wiki/Convex_hull convex hull> as a rubber band stretched around a list of points. Som...

alrededor de 22 horas ago

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Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

3 días ago

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Pentagonal dodecahedron
<<https://upload.wikimedia.org/wikipedia/commons/7/73/Dodecahedron.gif>> Pentagonal dodecahedron is a dodecahedron that is ...

3 días ago

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Portfolio diversification: choose your stocks !
we have the returns of 3 stocks for the last 4 years and we have to combine only 2 stocks that are less correlated. Example: ...

4 días ago

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What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

5 días ago

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King's Cage
Given the position of the king on the chessboard, determine the minimum number of steps it'll require to reach the destination. ...

6 días ago

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Path of least resistance
Find the length of the shortest path through the matrix from the top left to bottom right corner. You may move right, down, or d...

6 días ago

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Prime Sum
What is the minimum value that can be written as sum of primes in n different ways? For example, 10 is the minimum value th...

6 días ago

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Minimal Path - 04
Given a matrix, find the minimal path sum from any cell in the left column and finishing in any cell in the right column. You...

6 días ago

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Find the area of ​​the square
There are *n²* circles inscribed in the square ABCD. The perimeter of each circle is *aπ* <<http://imgfz.com/i/3wzCeAT.png>> ...

7 días ago

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Get the area of ​​the square.
Four circles are inscribed in the square ABCD. The perimeter of each circle is *aπ*. <<http://imgfz.com/i/UzgCJut.png>> Gi...

7 días ago

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Distance Between Points
Being n the number of points (If n = 3 there would be 3 points: A, B and C). The distance between each pair of points increases...

7 días ago

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4xa
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y.

7 días ago

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3xa
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y.

7 días ago

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Electric Flux
Calculate the flux passing through a surface. E is electric field, A is area.

8 días ago

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Minimal Path - 03
Given a matrix, find the minimal path sum from the top left to the bottom right corner. Now you can move up, right & down. ...

8 días ago

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Orthogonal lines
Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

8 días ago

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Minimal Path - 02
Given a matrix, find the minimal path from the top left to the bottom right by only moving to the right and down so that the sum...

8 días ago

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Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in <http://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation bra-kets>. Today...

8 días ago

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Quarantine Days
In these quarantine days, a list of what Max may do on a typical day is given in a table with the starting hour to ending hour. ...

8 días ago

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Given a set of words, and two other words - start and destination, Find the smallest chain from start to the destination such...

9 días ago

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Design a minimum-cost cable network for a power grid
You are given the 2-D point locations ( _xi_ , _yi_ ) of *N* _components_ of a power grid. These _components_ include power sour...

9 días ago

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Count the number of reaction chains achievable in T mins
This problem is related to Problem <45467>. Let's denote a list of *N* compounds as 1, 2, ..., *N*. You are then given a list...

9 días ago

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Propagate the effects of a blockage in a chemical plant
From the perspective of flow, a chemical plant can be described by a collection of _nodes_ and _edges_. _Nodes_ are points where...

10 días ago

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Pitting corrosion on a metal plate: Find the largest pit
You are given an N x M matrix of _ones_ and _zeros_, which represents an image of a rectangular metal plate taken from the hull ...

11 días ago

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Pitting corrosion on a metal plate: Count the number of pits
You are given an N x M matrix of _ones_ and _zeros_, which represents an image of a rectangular metal plate taken from the hull ...

11 días ago

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Equilateral Triangle
The length of one side of the equilateral triangle is a. Calculate the area of ​​the equilateral triangle.

11 días ago

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Momentum of an Object
P is momentum, m is mass, and v is velocity. Calculate the momentum for an object.

11 días ago

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Speed
x is distance, v is speed, and t is time. Calculate the speed for an object.

11 días ago