Implement a program that finds the shortest path of links between one Wikipedia URL and another. You can imagine the final result is something similar t…

Count elements in a chemical molecular formula. Examples: H2O {“H”: 2, “O”: 1} H2(CO2)2 {“H”: 2, “C”: 2, “O”: 4} K4(ON(SO3)2)2C5 {“K”: 4, “O”: 14, “N”:…

You are given an array of events where events[i] = [startDayi, endDayi] . Every event i starts at startDayi and ends at endDayi . You can attend an even…

Given a collection of strings, write a function that can group the anagrams together. You can return the answer in any order. Test collection: [“able”,…

Merge Intervals Given an array intervals representing a collection of intervals, where each interval is intervals[i] = [start, end] , write a function t…

You are given an array prices where prices[i] is the price of a given stock on the i -th day, and an integer fee representing a transaction fee. Find th…

Question: You are walking on a 2D map contoured with various heights of land that accumulates water when it rains. Specifically, when the rainwater heig…

Write a function that decompresses a string: “a(bcd){3}e” -> “abcdbcdbcde” “a(bc(d){4}e){3}f” -> “abcddddebcddddebcddddef” This problem asks you t…

CoderPad provides a basic SQL sandbox with the following schema. You can also use commands like show tables and desc <table_name> . employees id (…

Given an array of integers nums and an integer target , return indices of the two numbers such that they add up to target . You may assume that each inp…

Query: use the query to match the key. Key: label of each data slice. Value: the data itself. 1. Compute the similarity between query and key. query [1…

Given the standard mapping from English letters to digits on a phone keypad, write a program that outputs all words that can be formed from an n-digit p…

Implement a caching reader for remote file access. A RemoteReader can read bytes from a server by offset and size. Your task is to implement CachingRead…

A = (M, K1) B = (K2, N) Given a util function matmul(X1, X2) , where X1 and X2 can only be tensors of shape (tile_size, tile_size) . Implement tiled_mat…

Given a string s containing just the characters ‘(‘ , ‘)’ , ‘{‘ , ‘}’ , ‘[‘ and ‘]’ , determine if the input string is valid. An input string is valid i…

Light Cells Activation Build a 3×3 grid of light cells (omitting the center cell) where you can click on the cells to activate them, turning them green….

Array a consists of distinct, positive integers and serves as a work array. Array rotate contains a list of integers that define operations on the work…

Problem statement Imagine that you want to schedule a meeting of a certain duration with a coworker. You have access to your calendar and your coworker’…

Complete the finestFoodOutlet function below. The function is expected to return a STRING . The function accepts the following parameters: STRING city I…

Question: Sellers buy items in Walmart during sale events and sell them on Amazon to make money. You have to help a seller make maximum profit for their…