Resuelto

Mirror Image matrix across anti-diagonal
Given an input number x, create a mirror image matrix 'Y' across the anti-diagonal. For example, if x=3, Y = [1 2 3; ...

más de 2 años hace

Resuelto

Spot the rectangle (Part 2)
This problem is related to the 17x17 challenge. See also Part 1 of this problem. Given a matrix in which each element is either ...

más de 2 años hace

Resuelto

Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1 1 ...

más de 2 años hace

Resuelto

Spot the rectangle
This problem is related to the 17x17 challenge. Given a matrix filled with ones and zeros, determine whether or not any rectangl...

más de 2 años hace

Resuelto

Pascal's Matrix
Given an integer n ≥ 0, generate the ( _n_+1) × ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

más de 2 años hace

Resuelto

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: ...

más de 2 años hace

Resuelto

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 ...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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

más de 2 años hace

Resuelto

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 ...

más de 2 años hace

Resuelto

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.

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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:/...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

Penny Flipping: Reverse subsets of a sequence of coins until you recover the original configuration
The original Penny Flipping Problem (PF-1) starts with a stack of N pennies arranged with all the coins heads up. The first oper...

más de 2 años hace

Resuelto

Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

más de 2 años hace

Resuelto

Sum of combinations
Input: *X = 40*, *Y = [40 20 10 4]* Output: *Z = [1 0 0 0; 0 2 0 0; 0 1 2 0; 0 1 1 3; 0 1 0 5; 0 0 4 0; 0 0 3 3; 0 0 2 5; 0 ...

más de 2 años hace

Resuelto

Recycled Numbers (CodeJam Qualification Round 2012)
Let's say a pair of distinct positive integers ( _n_ , _m_ ) is recycled if you can obtain _m_ by moving some digits from the ...

más de 2 años hace

Resuelto

Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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...

más de 2 años hace

Resuelto

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)...

más de 2 años hace

Resuelto

So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

más de 2 años hace