Java HashMap Example
import java.util.*;
public class HashMapExample1{
public static void main(String args[]){
HashMap map=new HashMap();//Creating HashMap.
map.put(1,"Mango"); //Put elements in Ma...
Problemtc :O(n) where n is no. of nodes in the original linked list
Iterative approach:
⛶/*
// Definition for a Node.
class Node {
int val;
Node next;
Node random;
public Node(int v...
Introduction
In Python, dictionaries are one of the most flexible and widely used data structures. However, they lack explicit structure, which can lead to bugs and hard-to-read code, especia...