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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)...

fast 3 Jahre vor

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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,...

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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...

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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...

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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,...

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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...

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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...

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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...

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What can you get for exactly amount of money(harder)
Inspired by "Problem 42996. what can you get for exactly amount of money" <https://ww2.mathworks.cn/matlabcentral/cody/problems...

fast 3 Jahre vor

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Path of least resistance - Move all direction
Extension of the wonderful Problem 1049 (Path of Least Resistance). A matrix is given as input. You have to take a tour startin...

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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...

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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 ...

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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: ...

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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...

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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...

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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...

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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>. Che...

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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 ...

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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.

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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...

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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:/...

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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...

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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...

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Usage of java.math : N Choose K with unlimited precision
Calculate the binomial coefficient nchoosek with full accuracy. This challenge may use the wonderful word of java.math that allo...

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Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

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Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to ...

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A (wrong) place for everything, and everything in its (wrong) place
You have an equal number of cups and balls, each labelled from one to N. You randomly place one ball in each cup. Determine th...

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Possible Outcomes of American Roulette
The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

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N-th permutation.
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ... ...

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Put m balls into n boxes (again)
According to Cody Problem 1516, if I put 3 balls into 2 boxes then 1 1 1 1 1 2 1 2 2 ...

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