Two Sum Problem Solution in Python
Aditya Bhuyan The Two Sum problem is a classic algorithmic challenge where the goal is to find two numbers in an array that add up to a specific target sum. This implementation…
2024
Counting Frequencies of Elements in an Array Using Hashing in Python
This Python program counts the frequencies of elements in an array using a hash table (dictionary). Hashing allows us to efficiently track the occurrences of each element in the array.…
Basic Hash Table Implementation in Python
Overview A hash table is a data structure that maps keys to values for efficient data retrieval. It uses a hash function to compute an index into an array of…
Basic Hash Table Implementation in Java
This document provides a simple implementation of a hash table in Java. A hash table is a data structure that offers a way to efficiently store and retrieve data using…
Count Frequencies of Elements in an Array Using Hashing in Java
Java Program import java.util.HashMap; import java.util.Map; public class FrequencyCounter { /** * Counts the frequency of each element in the given array. * * @param array the array of integers…
Two Sum Problem Solution in Java
The Two Sum problem is a common algorithmic challenge that requires finding two numbers in an array that add up to a specific target value. This solution uses a hash…
Find Subarray with Given Sum in Java
Program Overview This Java program finds a contiguous subarray within a one-dimensional array of integers that sums to a specified value. It utilizes a hash map to store the cumulative…
Java Program to Group Anagrams
Program Code import java.util.*; public class AnagramGrouper { /** * Groups anagrams from a list of strings. * * @param strs List of strings to group into anagrams. * @return…
Java Program to Find the Longest Consecutive Sequence
Program import java.util.HashSet; public class LongestConsecutiveSequence { /** * Finds the length of the longest consecutive elements sequence. * * @param nums an array of integers * @return the length…
Check if a Subarray with a Sum of Zero Exists in Java
Java Program import java.util.HashSet; public class SubarrayZeroSum { /** * Checks if there exists a subarray with a sum of zero. * * @param arr The input array of integers.…
