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Maximum sum from any 2 numbers with a variable number of inputs

Given a variable number of inputs, combine any 2 numbers from the inputs and output the maximum sum the combinations can generat...

10 months ago

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Red and green towers

Frankie has a large number of wooden cubes, painted in red and green. He is building little towers with his cubes, by stacking t...

10 months ago

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Find the inverse permutation

Given a permutation vector perm (a vector of n elements containing all the elements from 1 to n in some order), return the permu...

10 months ago

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Addition Partition

You will be given two numbers, N and K. Write a MATLAB function that will determine how many different unique ways you can have...

10 months ago

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Factorizing a number into a given number of factors

Given a positive integer, n, and another positive integer, b, return a matrix, M, of width b, with the following properties: (a)...

10 months ago

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Full combinations

Given n input vectors x1, x2, …, xn, generate a p*n matrix y whose rows contain all element-wise combinations of the vectors x1,...

10 months ago

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Create all combinations of vectors

This function exists in the Neural Network Toolbox but is not available in Cody. Can you write such a function? See <http://...

10 months ago

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Lowest sum from a group of digits

Hi there. It's James's daughter here again, and my third grade math teacher is up to her old tricks. This time, she's giving u...

10 months ago

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Factorial: Unlimited Size : java.math

This challenge is an application of java.math that allows unlimited precision calculations. The primary reference sites are <ht...

10 months ago

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Kurchan 5x5 - Optimal Score

Related to Problems 1646 and 2650, but bigger. Technically, all you need to do for this Cody problem is input a 5x5 matrix conta...

10 months ago

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Kurchan 3x3 - Optimal Score

Find an optimal 3x3 Kurchan square, score of 198. A 3x3 Kurchan square has values 1:9.The products of each row, column, diag...

10 months ago

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Kurchan Square - Evaluation Function

Evaluate a Kurchan square. An NxN square with values 1:N^2. Given a square matrix determine the products of each row, column,...

10 months ago

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Exponents in Factorials

It's time to get excited about numbers!!! Well, we're just dealing with factorials here, but it's still a good reason to get ex...

10 months ago

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Highest powers in factorials

This is the inverse of the problem <https://www.mathworks.com/matlabcentral/cody/problems/44747 Exponents in Factorials>. Inste...

10 months ago

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Number of paths on a n-dimensional grid

This problem is inspired by <https://www.mathworks.com/matlabcentral/cody/problems/1483-number-of-paths-on-a-grid> and <https:/...

10 months ago

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Generate binary combinations for a given number of bit(s)

Generate the binary combination as in the example below. Example: If you are given: bin_comb(2) The answer will be: ...

10 months ago

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Number of cyles and fixed points in a permutation

A permutation can be constructed from one or more sets of elements in cyclic order. A permutation in a single row vector form ...

10 months ago

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Break it up! Break it up!

You have N pennies. Write a Matlab script that will reveal how many different ways you can break up those pennies. For example...

10 months ago

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Number of paths on a 3d grid

This problem is inspired by <https://www.mathworks.com/matlabcentral/cody/problems/1483-number-of-paths-on-a-grid>, which you mi...

10 months ago

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Number of paths on a grid

Consider a grid formed by n vertices vertically down, and m vertices horizontally right. Your starting point is at the top lef...

10 months ago

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Path of least resistance - Move all direction

Extension of the wonderful <https://www.mathworks.com/matlabcentral/cody/problems/1049-path-of-least-resistance Problem 1049> (P...

10 months 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...

10 months ago

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Project Euler: Problem 18, Maximum path sum I

By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bott...

10 months ago

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Find the path through the cell

A list of cells is given. Return true if the elements of the list increase monotonically (each element is strictly larger tha...

10 months ago

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Yet Another Path Finder

Assume there is a rectangular grid of points. These points are indicated by linear indices in a MATLAB-fashion. Some of the grid...

10 months ago

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possible ways through matrix

This problem is inspired from problem 2405 <https://www.mathworks.com/matlabcentral/cody/problems/2405-the-number-of-ways>. C...

10 months ago

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The Number of Ways

Find all the possible ways to reach the end of a matrix. So given [a b c d] the possible ways [a c],[a d],[b c],[b ...

10 months ago

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How many rectangles in a grid ?

How many rectangles are there in an m × n grid ? For example, if m=1 & n=2, we have 3 rectangles.

10 months ago

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Which way to go?

Given an m*n grid, How many ways are there to go from upper left corner to the lower right one? You can only move right...

10 months ago

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Mastermind

We are playing the boardgame mastermind <https://en.wikipedia.org/wiki/Mastermind_(board_game)>. The game master has created a 4...

10 months ago