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...

8 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...

8 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...

8 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 ...

8 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!

8 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...

8 months ago

Solved

Fibonacci Decomposition

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

8 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...

8 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 ...

9 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|...

9 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...

9 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...

9 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...

9 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...

9 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,....

9 months ago

Problem

Get Next Combination

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

10 months 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