Hash

1.2k+ posts

Last Updated: 29 December 2022

Maps are associative containers that store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped valu ...read more

Sorting

Hash

cpp-vector

C++ Programs

cpp-map

cpp-pair

DSA

Sorting a Hashmap according to values

Last Updated: 06 April 2022

Given marks scored out of 100 by a student in subjects where the name of the subject is key and marks scored is the value. Our task is to so ...read more

Most frequent element in an array

Last Updated: 11 January 2023

Given an array, find the most frequent element in it. If there are multiple elements that appear a maximum number of times, print any one of ...read more

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Program for hashing with chaining

Last Updated: 18 December 2023

In hashing there is a hash function that maps keys to some values. But these hashing functions may lead to a collision that is two or more k...read more

Sort string of characters

Last Updated: 29 February 2024

Given a string of lowercase characters from 'a' - 'z'. We need to write a program to print the characters of this string in sorted order.Exa ...read more

Internal Working of HashMap in Java

Last Updated: 17 April 2024

In this article, we will see how the hashmap get and put method works internally. What operations are performed? How the hashing is done. Ho...read more

Count pairs with given sum

Last Updated: 13 April 2024

Given an array of N integers, and an integer K, the task is to find the number of pairs of integers in the array whose sum is equal to K.Exa ...read more

Longest Consecutive Subsequence

Last Updated: 29 May 2024

Given an array of integers, find the length of the longest sub-sequence such that elements in the subsequence are consecutive integers, the ...read more

Open Addressing Collision Handling technique in Hashing

Last Updated: 12 June 2024

Open Addressing is a method for handling collisions. In Open Addressing, all elements are stored in the hash table itself. So at any point, ...read more

Hash

DSA

Separate Chaining Collision Handling Technique in Hashing

Last Updated: 12 June 2024

Separate Chaining is a collision handling technique. Separate chaining is one of the most popular and commonly used techniques in order to h...read more

Hash

DSA

Print Nodes in Top View of Binary Tree

Last Updated: 19 January 2023

The top view of a binary tree is the set of nodes visible when the tree is viewed from the top. Given a binary tree, print the top view of i ...read more

Last Updated: 26 February 2024

Hashing refers to the process of generating a fixed-size output from an input of variable size using the mathematical formulas known as hash...read more

Hash

DSA

Smallest window in a String containing all characters of other String

Last Updated: 04 March 2024

Given two strings, string, and pattern, the task is to find the smallest substring in string containing all characters of pattern. Examples...read more

Streamoid Technologies

sliding-window

DSA

Pair with given Sum (Two Sum)

Last Updated: 28 May 2024

Given an array A[] of n numbers and another number x, the task is to check whether or not there exist two elements in A[] whose sum is exact ...read more

Find maximum occurring character in a string

Last Updated: 20 February 2024

Given stringstr. The task is to find the maximum occurring character in the string str.Examples:Input: geeksforgeeksOutput: eExplanation: 'e ...read more

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