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Linked Lists

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Unordered List in Python

Last Updated: 06 October 2025

In Python, there is no built-in data structure specifically called an "unordered list." However, we can implement an unordered list using a linked list which consists of n...read more

Python Programs

Print Linked List

Last Updated: 06 August 2025

Given a head of Singly Linked List, we have to print all the elements in the list.Examples:Input: Output: 1-2-3-4-5Input: Output: 10-20-30-40-50Table of Content[Approach ...read more

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Linked List of Linked List

Last Updated: 23 July 2025

Linked list of linked list, also known as nested linked lists, is a type of Linked List where each main node stores another full linked list. This structure beats old, ...read more

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Python Program to Implement Stack Using Linked List

Last Updated: 23 July 2025

In Python, creating a stack using a linked list involves implementing a data structure where elements are added and removed in a last-in-first-out (LIFO) manner. This appr...read more

Python Programs

Double a Number Represented in a Linked List

Last Updated: 23 July 2025

Given a non-empty linked list representing a non-negative integer without leading zeroes the task is to double the value of whole linked list like(2-3-1 then answer will b...read more

Data Structures-Linked List

Traversal of Singly Linked List

Last Updated: 17 August 2026

Traversal of Singly Linked List is one of the fundamental operations, where we traverse or visit each node of the linked list. In this article, we will cover how to traver...read more

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Two-Pointer Technique in a Linked List

Last Updated: 23 July 2025

The two-pointer technique is a common technique used in linked list problems to solve a variety of problems efficiently. It involves using two pointers that traverse the l...read more

two-pointer-algorithm

Data Structures and Algorithms-QnA

How to Create a Linked List in C?

Last Updated: 23 July 2025

Write a C program to create a linked list.A linked list is a sequential data structure that stores the data in non-contiguous memory locations unlike array. In a linked li...read more

How to Create a Circular Linked List in C?

Last Updated: 23 July 2025

The circular linked list is a version of a linked list where the last node does not point to the NULL, but instead, it points back to the first node making a circular loop...read more

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C-Structure & Union

Convert a HashSet to a LinkedList in Java

Last Updated: 23 July 2025

In Java, HashSet and LinkedList are linear data structures. These are majorly used in many cases. There may be some cases where we need to convert HashSet to LinkedList. S...read more

Java-Collections

POTD Solutions | 17 Nov' 23 | Binary Tree to CDLL

Last Updated: 23 July 2025

View all POTD SolutionsWelcome to the daily solutions of our PROBLEM OF THE DAY (POTD). We will discuss the entire problem step-by-step and work towards developing an opti...read more

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GFG-POTD-Solutions

Find Sublist with Contiguous Sum Equal to K

Last Updated: 23 July 2025

Given a singly linked list, you need to determine if there exists a sublist within the list where the sum of elements in the sublist is equal to a given integer K. Your Ta...read more

Geeks Premier League

two-pointer-algorithm

Geeks Premier League 2023

Product of nodes with Bell Number weights in a Singly Linked List

Last Updated: 23 July 2025

Given a singly linked list containing nodes with numeric values and their corresponding weights. The goal is to find the product of the nodes whose weight corresponds Bell...read more

Geeks Premier League

Geeks Premier League 2023

Move the Kth Prime Number Node to the End of the Linked List

Last Updated: 23 December 2023

Given a singly linked list, the task is to move the Kth prime number node to the end of the list while preserving the order of other nodes.Examples:Input: 4 - 7 - 11 - 3 -...read more

Geeks Premier League

Geeks Premier League 2023

Move the Kth Largest Fibonacci Number Node to the End of a Singly Linked List

Last Updated: 04 January 2024

Given a singly linked list containing integer values. The task is to find the Kth largest Fibonacci number within this list and move it to the end of the list.Examples:Inp...read more

Geeks Premier League

Geeks Premier League 2023

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