The Intersection Algorithm of Two Arrays using Hash Maps in C++/Java/JavaScript
Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = , nums2 = Output: Example 2: Input: nums1 = , nums2 = Output: Note: …
Author: ACMer
What Businesses Would Be Like if Web Hosting Didn’t Exist?
In today’s world, all businesses market their products through the Internet as they have to have a company website to attract more customers. For a business to be attractive, …
How to Find the Dominant Index in Array (Largest Number At Least Twice of Others)?
In a given integer array nums, there is always exactly one largest element. Find whether the largest element in the array is at least twice as much as every …
K Closest Points to Origin Algorithm by using Priority Queues in C++/Java
We have a list of points on the plane. Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is …
Total Number of Ways to Decode the Message via Dynamic Programming Algorithm
A message containing letters from A-Z is being encoded to numbers using the following mapping: ‘A’ – 1 ‘B’ – 2 … ‘Z’ – 26 Given a non-empty string …