Solved

Implement a bubble sort technique and output the number of swaps required

A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

11 months ago

Solved

Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

11 months ago

Solved

Triangular matrices in 3D array

Given a 3D numeric array _x_, return an array _y_ of the same size in which all entries to the right of the main diagonal are ze...

11 months ago

Solved

Pascal's pyramid

In Pascal's triangle each number is the sum of the two nearest numbers in the line above: 1 1 1 ...

11 months ago

Solved

Big Integer Sqrt

You will be given a big integer, you should return the square root of it. input: '16' output: '4' have fun!

11 months ago

Solved

How many Fibonacci numbers?

Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

11 months ago

Solved

Fibonacci Decomposition

Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

11 months ago

Solved

(Linear) Recurrence Equations - Generalised Fibonacci-like sequences

This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

11 months ago

Solved

Calculate BMI

Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

11 months ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

11 months ago

Solved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

11 months ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

11 months ago

Solved

Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

11 months ago

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

11 months ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

11 months ago

Problem

Get Next Combination

Return next combination For example three-element combinations of 1:5 1 2 3 1 2 4 1 ...

1 year ago | 1

Problem

Bridge and Torch Problem - Probability

<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> There are four people who wants to cross...

1 year ago | 0

Problem

Bridge and Torch Problem - Length of Unique Time List

<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> Input is crossing time list. (for exampl...

1 year ago | 0

Problem

Bridge and Torch Problem - Minimum time

<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> Input is crossing time list. (for exampl...

1 year ago | 0

Solved

Add 3 numbers

In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

1 year ago

Solved

Mean number of letters per word (Hard)

The previous problem in this series is <https://www.mathworks.com/matlabcentral/cody/problems/44852-mean-number-of-letters-per-w...

1 year ago

Solved

Mean number of letters per word (Easy)

Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...

1 year ago

Solved

Get the mean digit

Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example: x ...

1 year ago

Solved

Sum of a geometric series

Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.

1 year ago

Solved

Ratio between sum of primer numbers and non-prime numbers

Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-pr...

1 year ago