The challenge The depth of an integer n is defined to be how many multiples of n it is necessary to compute before all 10 digits have appeared at least once in some… Read More »Determining Integer Depth in Python

The challenge Implement a function reverse_list that takes a singly-linked list of nodes and returns a matching list in the reverse order. Assume the presence of a… Read More »How to Reverse a singly-linked list in Python

The challenge In this challenge, you will be given a series of times at which an alarm goes off. Your task will be to determine… Read More »Calculating Simple Time Difference in Python

The challenge Given an integer n return “odd” if the number of its divisors is odd. Otherwise, return “even”. Note: big inputs will be tested. Examples: All prime numbers have… Read More »Calculating Odd/Even number of divisors in Python

The challenge In this challenge, you will be given an integer n, which is the number of times that is thrown a coin. You will have… Read More »Calculate possibilities of throwing a coin N times in Python

The challenge Hereinafter, [space] refers to ” “, [tab] refers to “\t”, and [LF] refers to “\n” for illustrative purposes. This does not mean that you can use these placeholders in your solution. In esoteric… Read More »How to Convert Integer to Whitespace format in Python

The challenge You have an array of integers and have a frog at the first position [Frog, int, int, int, …, int] The integer itself… Read More »How to Perform Frog Jumping in Python

The challenge Write the following function: It should calculate the area of a regular polygon of numberOfSides, number-of-sides, or number_of_sides sides inside a circle of radius circleRadius, circle-radius, or circle_radius which passes through… Read More »How to Calculate the area of a regular N sides polygon inside a circle of radius R in Python

The challenge You are developing an image hosting website. You have to create a function for generating random and unique image filenames. Create a function… Read More »How to create an Image Host Filename Generator in Python

The challenge Task Given string s, which contains only letters from a to z in lowercase. A set of the alphabet is given by abcdefghijklmnopqrstuvwxyz. 2 sets of alphabets… Read More »How to Find the Missing Alphabets in Python

The challenge Find the longest substring in alphabetical order. Example: the longest alphabetical substring in “asdfaaaabbbbcttavvfffffdf” is “aaaabbbbctt”. Overview: There are tests with strings up to 10 000 characters long… Read More »How to Find the Longest Substring in Alphabetical Order in Python

The challenge Write a function that takes in a binary string and returns the equivalent decoded text (the text is ASCII encoded). Each 8 bits… Read More »How to Binary to Text (ASCII) Conversion in Python

The challenge Given a triangle of consecutive odd numbers: find the triangle’s row knowing its index (the rows are 1-indexed), e.g.: Note: your code should… Read More »How to Find the Row of the Odd Triangle in Python

The challenge Write a function that takes a shuffled list of unique numbers from 1 to n with one element missing (which can be any number including n). Return this… Read More »Solving Number Zoo Patrol in Python