Using Greedy Algorithm to Fix the Broken Calculator
On a broken calculator that has a number showing on its display, we can perform two operations: Double: Multiply the number on the display by 2, or; Decrement: Subtract …
Beginner’s Guide to the zip() function in Python3
The zip function in Python 3 takes two parameters, and generate an iterator that contains tuples. Each tuple takes a value from each input – which can be tuples …
Passengers Pick-up and Drop-off Algorithms (Car Pooling) via Greedy Algorithm
You are driving a vehicle that has capacity empty seats initially available for passengers. The vehicle only drives east (ie. it cannot turn around and drive west.) Given a …
Maximize Sum Of Array After K Negations using Greedy Algorithm via Priority Queue/Min Element
Given an array A of integers, we must modify the array in the following way: we choose an i and replace A with -A, and we repeat this process …
The Variable Expansion Algorithm Using Regular Expression in Javascript
Let’s say, if we want to expand strings that contain dynamic variables, we can use regular expression to do this easily. const varContent = { VAR: "World", } console.log(expand("Hello, …
How to Compute the Number of Days in a Month?
Given a year Y and a month M, return how many days there are in that month. Example 1: Input: Y = 1992, M = 7 Output: 31 Example …