Problem Description You are given a 1-indexed array of size N and need to construct a directed graph from this array such that it satisfies the following conditions: 1. Any directed edge between two nodes will have a value that defines the distance between those two nodes. These values can

Problem Description HCVs (High Capacity Vehicles) run across the city of Disney Land. Disney Land has N stops where the HCVs pick up or drop the passengers. There is a network of M bidirectional roads that connect various stops. Each road has a particular length attached to it. The Disney

Problem Description Earth is now home to sentient creatures from thousands of different planets. As part of a committee maintaining the records of these visitors, you are tasked with answering queries about the guests. One evening, you receive a query from the Daily Newspaper, which is writing an article on

Problem Description You are tasked with ensuring that the prices of cars, initially arranged in a line, become non-decreasing as quickly as possible. The price of each car is given as an array. You can perform operations over multiple chances to adjust the car prices. At each chance X, you

Problem Description It is the year 2050, and humans have evolved into two supernatural species: Alpha (Alph) and Beta (Bts). Yakohama, the kingdom of the Alpha group, is under threat from Beta members who plan to attack through a secret path in the forest. Akari, the king of Yakohama, must

Problem Description Samuel has gifted Tina the Magical Dice Game for her birthday. This game involves a strip of T cells, where some cells are empty (denoted by 0), and some are blocked (denoted by 1). Tina and Samuel decide to play a competitive game on this strip. The game

Problem Description There are n doors, and behind each door is either a rabbit or a tortoise. You know the following: * There are x rabbits and y tortoises behind the doors. * The total number of doors is n = x+y. * No two rabbits are adjacent, meaning no two consecutive doors

Problem Description You are starting a Debate Club in your college and want to make its opening as eye-catching as possible! To achieve this, you plan to host a mock round table conference among the students. You sent out invitations to your colleagues, but they have one condition: each colleague

Problem Description You have a healthy tree with N nodes rooted at node 1, where each node has a certain number of fruits attached to it. In one operation, you can collect all the fruits from a node and keep them for yourself. A tree is considered healthy if there

Problem Description You are given a sorted array of vehicle types ( v ), where each element indicates the number of passengers that a vehicle can accommodate. Each vehicle type has an infinite supply. You also have a total number of passengers ( p ). Your task is to determine the minimum number of

Problem Description In the thrilling world of "Jump Master," you embark on a daring journey through a magical land with mystical teleporting stones. You are gifted with the power to make forward jumps based on the range indicated by each stone. The challenge lies in reaching the final

Problem Description In the modern world of text processing systems, we need to handle words with the same "feeling." Design an algorithm to efficiently group words that share the same "feeling." Two words have the same "feeling" if they contain the same letters with

Problem Description Venky discovered himself in an extraordinary Uber binary cafeteria, renowned for its popularity and uniqueness. The cafeteria provides k various delightful desserts, each uniquely numbered from 0 to (k-1). The cost of the i-th dessert is (2^i) coins, following the binary pricing system. Venky's budget

Problem Description Uber has recently introduced the Share Cab Service, which starts at a point and returns to the same point after picking up all passengers from different pickup points. There are n pick-up points in total, labeled from 0 to (n-1). All pick-up points are connected by roads with

Problem Description Lazy Alex is playing with the 'Tower of Swapol' game, where there are n towers. Some of these towers contain rings, and the sum of all rings across the towers is exactly n. The goal is to make every tower contain exactly one ring. In a