Manasa is out on a hike with friends. She finds a trail of stones with numbers on them. She starts following the trail and notices that any two consecutive stones' numbers differ by one of two values. Legend has it that…
An integer is a divisor of an integer if the remainder of . Given an integer, for each digit that makes up the integer determine whether it is a divisor. Count the number of divisors occurring within the integer. Note…
Flatland is a country with a number of cities, some of which have space stations. Cities are numbered consecutively and each has a road of length connecting it to the next city. It is not a circular route, so the first…
Emma is playing a new mobile game that starts with consecutively numbered clouds. Some of the clouds are thunderheads and others are cumulus. She can jump on any cumulus cloud having a number that is equal to the number…
Lilah has a string, , of lowercase English letters that she repeated infinitely many times. Given an integer, , find and print the number of letter a's in the first letters of Lilah's infinite string. For example, if…
Check Tutorial tab to know how to to solve. You are given a string consisting only of digits 0-9, commas ,, and dots . Your task is to complete the regex_pattern defined below, which will be used to re.split() all of…
The Utopian Tree goes through 2 cycles of growth every year. Each spring, it doubles in height. Each summer, its height increases by 1 meter. Laura plants a Utopian Tree sapling with a height of 1 meter at the onset of…
ABCXYZ company has up to employees. The company decides to create a unique identification number (UID) for each of its employees. The company has assigned you the task of validating all the randomly generated UIDs. A…
Lily likes to play games with integers. She has created a new game where she determines the difference between a number and its reverse. For instance, given the number , its reverse is . Their difference is . The number…
A Discrete Mathematics professor has a class of students. Frustrated with their lack of discipline, he decides to cancel class if fewer than some number of students are present when class starts. Arrival times go from…
Given an array of integers, find and print the maximum number of integers you can select from the array such that the absolute difference between any two of the chosen integers is less than or equal to . For example, if…
Lexicographical order is often known as alphabetical order when dealing with strings. A string is greater than another string if it comes later in a lexicographically sorted list. Given a word, create a new word by…
You wish to buy video games from the famous online video game store Mist. Usually, all games are sold at the same price, p dollars. However, they are planning to have the seasonal Halloween Sale next month in which you…
We define the distance between two array values as the number of indices between the two values. Given , find the minimum distance between any pair of equal elements in the array. If no such value exists, print . For…
You are given two arrays, and , both containing integers. A pair of indices is beautiful if the element of array is equal to the element of array . In other words, pair is beautiful if and only if . A set containing…
Two cats and a mouse are at various positions on a line. You will be given their starting positions. Your task is to determine which cat will reach the mouse first, assuming the mouse doesn't move and the cats travel at…
Monica wants to buy a keyboard and a USB drive from her favorite electronics store. The store has several models of each. Monica wants to spend as much as possible for the items, given her budget. Given the price lists…
You are given a number of sticks of varying lengths. You will iteratively cut the sticks into smaller sticks, discarding the shortest pieces until there are none left. At each iteration you will determine the length of…
Your local library needs your help! Given the expected and actual return dates for a library book, create a program that calculates the fine (if any). The fee structure is as follows: If the book is returned on or…
Brie’s Drawing teacher asks her class to open their books to a page number. Brie can either start turning pages from the front of the book or from the back of the book. She always turns pages one at a time. When she…
