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Stern-Brocot Sequence
The Stern-Brocot diatomic sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 1, 3, 2, 3, 1, 4...

3 months ago

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Interval Compression
Given a set of integers, the task is to create a list of closed intervals where each interval includes its endpoints. For exampl...

3 months ago

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Final Stone Weight
You are given an array with weights of stones. The objective is to determine the weight of the final stone remaining after all c...

3 months ago

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Rotate matrix 60 degrees
Given a 2*m-1 by 4*m-3 matrix in which certain elements form a hexagon of side length m, rotate the hexagon 60 degrees countercl...

3 months ago

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Instructions Following
Complete the function follow(s) which, for a given string (containing only the letters 'f', 'b', 'l', 'r'), calculates the final...

3 months ago

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snake_case to CamelCase convention
The snake_case naming convention writes words in lowercase and separates them with underscores. In CamelCase convention, the fir...

3 months ago

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CamelCase to snake_case convention
The CamelCase naming convention capitalizes the first letter of each word. In snake_case convention, words are written in lowerc...

3 months ago

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Finding the Most Frequent Letter in a Text
You are given a text containing various English letters, digits and punctuation symbols. Your task is to find the most frequentl...

3 months ago

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Spreadsheet Column Number
Spreadsheet uses an alphabetic naming system for columns, starting with 'A', 'B', 'C', etc. The column names continue like 'AB',...

3 months ago

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Battery Charge Indicator
Write a function called battery_charge that visually represents the charge of a battery. The function takes an integer paramete...

3 months ago

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Perfect shuffle
We call "perfect shuffle" the process of cutting a deck of cards into two equal halves, and then perfectly interleaving them: on...

3 months ago

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Find the triplet
Given an array x of size n > 3 and an integer N, return the indices of three elements in the array that sum up to the given inte...

3 months ago

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Find Next Strictly Greater Element
Given an array of numbers, create a new array where each element represents the next strictly greater element to the right of th...

3 months ago

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Find the largest sum of any contiguous subarray
Given an array of N integers, find the contiguous subarray (which must contain at least one number) with the maximum sum and ret...

3 months ago

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Absolute Sorting
Given an array with various numbers, your have to sort it by absolute value in ascending order. For example, for the array [-2...

3 months ago

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Reverse Integer
You are given an integer, reverse its digits. For negative integers, the sign should remain in the front. For instance, 12340 s...

3 months ago

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Remove Unique Elements
Given a list of integers, we want to keep only the non-unique elements in this list. To do this, we need to remove all the uniqu...

3 months ago

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Integer Persistence, Product
Let's construct a sequence as follows: is a given natural number, and is the product of the digits of . The persistence of i...

3 months ago

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Find the number of diagonals in a n sided polygon.
Find the number of diagonals in a n sided polygon.

3 months ago

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Compute the Ramanujan tau function for large numbers
The Ramanujan tau function is defined by the relation where . The first few values of are 1, -24, 252, -1472, and 4830. Wr...

3 months ago

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Recursive triangle area
Given triangle 1 with sides of length a, b, and c. Triangle 2 is constructed within triangle 1 by bisecting each side. Triangl...

3 months ago

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Compute the Ramanujan tau function
The Ramanujan tau function is defined by the relation where . The first few values of are 1, -24, 252, -1472, and 4830. W...

3 months ago

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Out-of-Place Elements Count
Determine the number of elements in a list of integers that are not in their original order after sorting the list in ascending ...

3 months ago

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List the segmented numbers
The sequence of segmented numbers begins 1, 2, 4, 5, 8, 10, 14, 15, 16. Notice that none of the terms is the sum of consecutive ...

3 months ago

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Determine if the square root is an integer.
Write code that returns true if perfect square and returns false if square root is not an integer.

3 months ago

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List the ways to write 1/n as the sum of two unit fractions
Cody Problem 59841 involved counting the ways that can be written as the sum of two unit fractions (those with a numerator of 1...

3 months ago

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Calculate the Area of the Ring
You have Ring which consist of inner and outer Circles with Radius r and R which are not given but you'll be given Hprizontal ...

3 months ago

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Palindrome Checker
Create a MATLAB function that checks whether a given string is a palindrome or not. A palindrome is a word, phrase, number, or o...

3 months ago

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Sequencing Odd Even numbers
Given an input value n, create a vector which contains all odd numbers & even numbers centered around mean of vector. If the me...

3 months ago

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Count the ways to write 1/n as the sum of two unit fractions
The number 1/2 can be written as 1/3+1/6 and 1/4+1/4, and the number 1/9 can be written as 1/18+1/18, 1/12+1/36, and 1/10+1/90. ...

3 months ago