How to Find the Closest Sum of Three in an Array using Two Pointer Algorithm? (3Sum Closest)
Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the …
Category: algorithms
The Recursive QuickSort Implementation in C++
Quicksort is the de-factor sorting algorithm that is widely used. Its average runtime complexity is O(nlogn) and it’s usually implemented in either recursion or iterative style. Quicksort can be …
How to Find out the Most Frequent Subtree Sum using Depth First Search Algorithm?
Given the root of a tree, you are asked to find the most frequent subtree sum. The subtree sum of a node is defined as the sum of all …
The Brace Expansion Algorithms using Breadth First Search or Depth First Search
A string S represents a list of words. Each letter in the word has 1 or more options. If there is one option, the letter is represented as is. …
Javascript Coding Exercise: The QuickSort Implementation in Javascript
Given an array of integers nums, sort the array in ascending order. Example 1: Input: Output: Example 2: Input: Output: Note: 1 <= A.length <= 10000 -50000 <= A …