Solved! Leetcode 2816. Double a Number Represented as a Linked List

May

8

2024

Table of ContentsDescription: Double a Number Represented as a Linked ListExample 1Example 2ConstraintsSolutionTime ComplexitySpace Complexity Description: Double a Number Represented as a Linked List You are given the head of a non-empty linked list representing a non-negative integer without leading zeroes. Return the head of the linked list after doubling it. Example 1 <strong>Input:</strong> head = [1,8,9] <strong>Output:</strong> [3,7,8] <strong>Explanation:</strong> The figure above corresponds ...
read more →

Algo · Code · Java

Solved! Leetcode 2487. Remove Nodes From Linked List

May

7

2024

Table of ContentsDescription: Remove Nodes From Linked ListExample 1Example 2ConstraintsSolutionTime ComplexitySpace Complexity Description: Remove Nodes From Linked List You are given the head of a linked list. Remove every node which has a node with a greater value anywhere to the right side of it. Return the head of the modified linked list. Example 1 <strong>Input:</strong> head = [5,2,13,3,8] <strong>Output:</strong> ...
read more →

Code · Java

Solved! Leetcode 1669. Merge In Between Linked Lists

Mar

21

2024

Table of ContentsMerge In Between Linked ListsDescriptionExample 1Example 2ConstraintsApproachSolution Merge In Between Linked Lists Description You are given two linked lists: list1 and list2 of sizes n and m respectively. Remove list1‘s nodes from the ath node to the bth node, and put list2 in their place. The blue edges and nodes in the following figure indicate the result: Build the result list and return its head. Example 1 <strong>Input:</strong> ...
read more →

Algo · Code · Java

Solved! Leetcode 2130. Maximum Twin Sum of a Linked List

May

17

2023

source: https://leetcode.com/problems/maximum-twin-sum-of-a-linked-list/description/ Maximum Twin Sum of a Linked List In a linked list of size n, where n is even, the ith node (0-indexed) of the linked list is known as the twin of the (n-1-i)th node, if 0 <= i <= (n / 2) – 1. For example, if n = 4, then node ...
read more →

Algo · Code · Java

Solved! Leetcode 369. Plus One Linked List

Feb

17

2023

source: https://leetcode.com/problems/plus-one-linked-list/description/ Plus One Linked List Given a non-negative integer represented as a linked list of digits, plus one to the integer. The digits are stored such that the most significant digit is at the head of the list. Example 1: Input: head = [1,2,3] Output: [1,2,4] Example 2: Input: head = [0] Output: [1] ...
read more →

Algo · Code · Java