khushaalankhushaalan.hashnode.dev·Feb 12, 2025Two SumGiven 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 input would have exactly one solution, and you may not use the same element twice. You can return the a...array
Arka Infotecharkainfotech.hashnode.dev·Jan 10, 2025Hashing in Data Structures: Techniques and AlgorithmsIntroduction Hashing is one of the most powerful techniques in computer science and plays a vital role in optimizing data retrieval. It is a process used to uniquely identify a data item by converting it into a fixed-size value, which can be used for...10 likescoding
Ahamad Basha NSintro-to-c-net-core.hashnode.dev·Dec 13, 2024Hash Tables: A Deep Dive into C#Imagine you have a big toy box. You want to store your toys in an organized way, so you decide to put similar toys together. For example, all your cars go in one section, all your dolls in another, and all your blocks in a third. That's kind of how a...OpenAddressing
Aswin Bennyblog.aswinbenny.in·Oct 7, 2024Hash Data StructuresIntro Hash Set vs Hash Map Hash Set or unordered_set No values, just keys Used to check if a key exists or not Hash Map or unordered_map Value is also included Used to check if a key exists and also get its value Ordered Map vs Unordere...Data Structuresdata structures
Vishad Patelvishad.hashnode.dev·Aug 4, 2024Leetcode Two Sum Problem Explained: A Simple GuideImagine you have an array of numbers called nums and a number called target. Your job is to find the indices of the two numbers that add up totarget. You can assume there's always one solution, and you can't use the same number twice. Feel free to re...DSA Problem And Solutionleetcode
Aditya Fulzelenemo210399.hashnode.dev·Jun 10, 2024LeetCode : 1. Two Sum SolutionProblem Statement: Given an array of integers nums and an integer target, return the indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use the same element twic...1 likeBlind 75 array
Gulshan Kumarperfinsights.hashnode.dev·May 26, 2024Most Common WordGiven a string paragraph and a string array of the banned words banned, return the most frequent word that is not banned. It is guaranteed there is at least one word that is not banned, and that the answer is unique. The words in paragraph are case-i...Java SolutionJava
Gulshan Kumarperfinsights.hashnode.dev·Apr 6, 2024Sort the PeopleYou are given an array of strings names, and an array heights that consists of distinct positive integers. Both arrays are of length n. For each index i, names[i] and heights[i] denote the name and height of the i<sup>th</sup> person. Return names so...Java Solutionarray
Gulshan Kumarperfinsights.hashnode.dev·Feb 25, 2024Find the Length of the Longest Common PrefixYou are given two arrays with positive integers arr1 and arr2. A prefix of a positive integer is an integer formed by one or more of its digits, starting from its leftmost digit. For example, 123 is a prefix of the integer 12345, while 234 is not. A ...Java Solutionarray
Samuelcodetree3.hashnode.dev·Feb 10, 2024Hash Tables In CHash tables are a data structure that seek to solve the time complexity problem of arrays and linked lists. With arrays and linked lists, one has to traverse through the lists in order to get the particular element they are looking for. This leads to...Hashing
