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Josephus Survivor
The <http://en.wikipedia.org/wiki/Josephus_problem Josephus Challenge> is to find the position that is the last remaining when e...

5 days ago

Solved

Coin distribution
Imagine, u r in a shop. ur bill is n(2200). u want to pay the bill with minimum no of coins u have. u've coins of - 2000,1000...

5 days ago

Solved

Concatenate input positive integers to obtain a maximum.
Input some integers, you need to concatenate them to obtain a maximum integer. Neither use library function "perms" to list all ...

5 days ago

Solved

Assign matrix elements to separate variables
Given an input array, return each element of the array as a separate variable. If the number of output arguments (k) is less tha...

5 days ago

Solved

Modified run-length companion vector
Given a vector x, return a vector that indicates the run length of any value in x. Each element in output vector shows how many ...

5 days ago

Solved

Convert binary numbers to hexadecimal numbers
Function must convert the input vector x composed of 0 and 1 (length is a multiple of 8) in hexadecimal. Most significant bit is...

5 days ago

Solved

Rank of magic square (for beginners)
Compute the rank r of a magic square of order n WITHOUT rank and magic functions.

5 days ago

Solved

Find length of longest strictly increasing subsequence

5 days ago

Solved

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

5 days ago

Solved

Find the Kronecker Tensor Product without using KRON
The Kronecker Tensor Product is the result of multiplying all elements of a matrix with each of the elements of another matrix. ...

5 days ago

Solved

Simpsons's rule (but not Homer Simpson)
I wonder what Homer Simpson would have thought of Simpson's rule? Somehow I doubt his thoughts would have included the phrase Ne...

5 days ago

Solved

ICFP 2024 Programming Contest June 28 thru July 1
This is to announce the annual ICFP programming contest for 2024. The ICFP 2024 homepage link is ICFP 2024 . Registration will...

5 days ago

Solved

The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0. From that place, it can jump either in the +ve direct...

5 days ago

Solved

Multiply Column
Given two input, one matrix and one scalar number For example A is a matrix given A = [ 1 2 2 5 2 5 2 3 4 6...

5 days ago

Solved

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. ...

5 days ago

Solved

Find all repeated numbers
For a given vector, find all numbers that repeated 2 times or more than 2 times. Example: A=[1 2 3 3 4 5 6 6 7] y=[3 ...

5 days ago

Solved

Convert ColorSpec string to RGB triplet
Given a ColorSpec string, either in short or long form, return the corresponding RGB triplet. If the input is not a valid color,...

5 days ago

Solved

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...

5 days ago

Solved

Make blocks of color
Given a (Nx3) sequence of RGB colors, I want to create a (numRowBlocks x numColBlocks x 3) image comprising (blockSize x blockSi...

5 days ago

Solved

Determine value using Look-up table method
Given a set of 2 vectors x and y related in a certain way, you are supposed to find value of y (ydash) given a particular value ...

5 days ago

Solved

Give the Shortest Path Through The Maze
*Description* The purpose of this problem is to give the shortest path through a maze. The maze will be provided in a codifie...

5 days ago

Solved

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

5 days ago

Solved

Tony's trick for duplicating an mx1 vector n times
Without using repmat, or for loop, or concatenation, create a function to duplicate a vector, v, a specified number of times, n....

6 days ago

Solved

Leap years on other planets
A year is a leap year if it is divisible by 4, but not if it is divisible by 100, unless it is also divisible by 400. This mean...

6 days ago

Solved

Volume of Cylinder
Compute the Circumference of a Cylinder given it's radius and height.Here x is the radius and y is the height

6 days ago

Solved

Concatenate a successive power matrix in a column matrix
Generate F = [M1 M^2 ... M^p] with M a matrix, without using for.

6 days ago

Solved

Sum Rows
Sum the same indexed (unique) rows. Examine the test suite. Related Challenge - <http://www.mathworks.com/matlabcentral/cody/...

6 days ago

Solved

Find the rank of a matrix
Determine the rank of a matrix without using the MATLAB function of the same name.

6 days ago

Solved

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...

6 days ago

Solved

How many bottles can you drink?
Sometimes if you buy a drink in a glass bottle you can return that bottle and get some money back. Let's assume we have "x" a...

6 days ago