Solved

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 ...

12 days ago

Solved

Inhomogenous Depth Scale Interpolation
I recently came across a dataset for physical ocean parameters such as temperature and salinity that provided data in the form o...

12 days ago

Solved

Extract leading non-zero digit (★★★★★)
(Copy of Problem 47) Benford's Law states that the distribution of leading digits is not random. This is probably because man...

13 days ago

Solved

Number of even divisors of a given number
Given a Number n, return the number of its even divisors without listing them. example: n=14 ; EvenDivisors={2,14} ; y=2 ...

13 days ago

Solved

Young's modulus
Given a value of <http://en.wikipedia.org/wiki/Young_modulus Young's modulus> (Y) expressed on MegaPascal, convert it to the uni...

13 days ago

Solved

nanoseconds passed today
Calculate the amount of nanoseconds passed in the current day of a certain date string.

13 days ago

Solved

grazing cows
Here is a fun problem I encountered in high school. Two cows are grazing in an enclosed square-shaped field of side length s ...

13 days ago

Solved

Given the name from the legend, return the handle
Write a function that will return the handle to the desired object. The input for this function will be a string which represent...

13 days ago

Solved

Zigzag of square matrix
find zigzag of square matrix in one dimension array a=[1 2 3;4 5 6;7 8 9]; should return b= [1 2 4 7 5 3 6 8 9]

13 days ago

Solved

Order of things - 1
Let's assume you have a number of calculations to perform, that depend on each other. E.g. 'A' can be calculated, once the outco...

13 days ago

Solved

Steal, Share, or Catch
You, I, and a few other characters are going to play a game of *Steal, Share or Catch*. We are going to play it 10,000 times vs...

13 days ago

Solved

Label primes with the Erdos-Selfridge classification

13 days ago

Solved

Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that include the four bas...

13 days ago

Solved

Return the 'Size' of a String of Code
One of the most 'mysterious' parts of playing Cody is the sizing system. Given a string of commands, return the size that Cody w...

14 days ago

Solved

Fill a zeros matrix (★★★★★)
(Copy of Problem 830) The aim is to fill an array of all zeros given a numerical value and the index of row and columns for t...

14 days ago

Solved

Orthogonal Circles
Check whether two given circles are orthogonal or not. Two circles are orthogonal if they create a right angle at their inter...

14 days ago

Solved

Toads and Frogs Puzzle 2
On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

14 days ago

Solved

Bernoulli's Triangle
Generate the bernoulli's triangle upto nth row. <https://mathworld.wolfram.com/BernoulliTriangle.html>

14 days ago

Solved

Wheat on a chessboard pt 2
If a chessboard were to have wheat placed upon each square such that x grains were placed on the first square and each successiv...

14 days ago

Solved

Segmented number sequence
Given a positive integer, n, and a row vector, x, of positive integers, return a row vector, v, which is a sequence of length n ...

14 days ago

Solved

I want eval
A valid MATLAB statement containing a definition of a vector is passed as a string S. Determine the length of the vector. Inp...

14 days ago

Solved

Create a vector of n alternating ones and zeros (★★)
Given n, your output should be a vector y of numbers such that the first number is 1 and the numbers following it alternate betw...

14 days ago

Solved

i was a mistake

14 days ago

Solved

Determine whether a square can be drawn on a grid of dots

14 days ago

Solved

Three grind is shipsstraigt
A function that returns either 'Rock', 'Scissors', or 'Paper' (string). You may succeed or you may fail the (case insensitive) t...

14 days ago

Solved

Find the remainder - 01
Given an array of integers, find the remainder when the product of all the elements is divided by N

14 days ago

Solved

GJam: 2013 Rd1a Bullseye Painting
<http://code.google.com/codejam/contests.html Google Code Jam> 2013 Round 1a Bullseye challenge is to determine how many full ri...

14 days ago

Solved

String Logic 17
Examples: 'DIG' --> 'GDI' 'IMPORTANT' --> 'TANTIMPOR' 'DEAL' --> 'EALD' 'LIMB' --> 'IMBL' 'MOSTLY' --> 'YMOSTL'

14 days ago

Solved

Create a Cell array of month-end date strings within a provided date range
This is a variation of <http://www.mathworks.com/matlabcentral/cody/problems/1039-get-an-array-of-month-ends-in-a-date-range Get...

14 days ago

Solved

Easy Sequences 3: Prime 44-number Squares
The positive integers 62 and 238 are related. Their squares (3844 and 56,644) both end in '44'. In fact, 62 and 238 are the 3rd ...

17 days ago