Solved

Find best domino orientation
Given a list of pairs, find the orientation they should be placed in a line, such that the sum of the absolute values of the dif...

14 years ago

Solved

Find best placement for ordered dominoes (harder)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

14 years ago

Solved

Find perfect placement of non-rotating dominoes (easier)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

14 years ago

Solved

Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

14 years ago

Problem

Image Processing 002 : Fix Vignetting in a Visible Sensor
The task is to correct image files for Visible scanning sensors that due to errant tolerancing produce vignetted(V) images. The ...

14 years ago | 3 | 14 solvers

Problem

Hack not this Test Suite you will
Another Hack 10000 Challenge. I am thinking of an integer between 1 and 10000. Return a value between 1 and 10000. I ma...

14 years ago | 0 | 18 solvers

Solved

Hack not this Test Suite you will
Another Hack 10000 Challenge. I am thinking of an integer between 1 and 10000. Return a value between 1 and 10000. I ma...

14 years ago

Problem

Alias abs to asb
Create an alias of a built-in function name. Goal is to alias asb with abs for dyslexic typers. The test suite will be ...

14 years ago | 1 | 31 solvers

Solved

Alias abs to asb
Create an alias of a built-in function name. Goal is to alias asb with abs for dyslexic typers. The test suite will be ...

14 years ago

Solved

Spiral In
Create an m by n matrix filled with sequential integers starting from 1 and arranged in a counterclockwise spiral that hugs the ...

14 years ago

Solved

Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

14 years ago

Solved

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

14 years ago

Solved

QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

14 years ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

14 years ago

Solved

the return of the hackathon
You might have found a solution to our <http://www.mathworks.com/matlabcentral/cody/problems/205-hackathon-the-beginnings previo...

14 years ago

Solved

Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...

14 years ago

Solved

hackathon impossible
You might have found a solution to our <http://www.mathworks.com/matlabcentral/cody/problems/205-hackathon-the-beginnings previo...

14 years ago

Solved

Vine Contest 1-D Case Optimization: Board 78
The Vine contest was to slide tiles around and then identify a vine of increasing values that are four point connected with no r...

14 years ago

Solved

Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

14 years ago

Solved

Encoding Google Maps Polylines
This problem is based on the Google Polyline Encoder algorithm. This is how Google Maps encodes a line for display on a map. You...

14 years ago

Solved

Distance walked 2D
Suppose you go from x-y coordinates [3,4] to [0,0] to [0,1] to [1,1], then you walked 7 units of distance.

14 years ago

Solved

Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

14 years ago

Solved

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

14 years ago

Solved

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

14 years ago

Solved

Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

14 years ago

Solved

Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

14 years ago

Solved

Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

14 years ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

14 years ago

Solved

Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

14 years ago

Solved

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

14 years ago