Leetcode

Collection of LeetCode questions to ace the coding interview! - Created using LeetHub-3.0

LeetCode Topics

Array

Problem Name	Difficulty
0011-container-with-most-water	Medium
0035-search-insert-position	Easy
0056-merge-intervals	Medium
0088-merge-sorted-array	Easy
0121-best-time-to-buy-and-sell-stock	Easy
0162-find-peak-element	Medium
0198-house-robber	Medium
0213-house-robber-ii	Medium
0347-top-k-frequent-elements	Medium
0455-assign-cookies	Easy
0704-binary-search	Easy
0735-asteroid-collision	Medium
0852-peak-index-in-a-mountain-array	Medium
0881-boats-to-save-people	Medium

Sorting

Problem Name	Difficulty
0056-merge-intervals	Medium
0088-merge-sorted-array	Easy
0347-top-k-frequent-elements	Medium
0455-assign-cookies	Easy
0881-boats-to-save-people	Medium

Two Pointers

Problem Name	Difficulty
0011-container-with-most-water	Medium
0088-merge-sorted-array	Easy
0125-valid-palindrome	Easy
0141-linked-list-cycle	Easy
0142-linked-list-cycle-ii	Medium
0160-intersection-of-two-linked-lists	Easy
0455-assign-cookies	Easy
0876-middle-of-the-linked-list	Easy
0881-boats-to-save-people	Medium
2095-delete-the-middle-node-of-a-linked-list	Medium

Greedy

Problem Name	Difficulty
0011-container-with-most-water	Medium
0455-assign-cookies	Easy
0881-boats-to-save-people	Medium

String

Problem Name	Difficulty
0125-valid-palindrome	Easy

Binary Search

Problem Name	Difficulty
0035-search-insert-position	Easy
0162-find-peak-element	Medium
0704-binary-search	Easy
0852-peak-index-in-a-mountain-array	Medium

Linked List

Problem Name	Difficulty
0141-linked-list-cycle	Easy
0142-linked-list-cycle-ii	Medium
0160-intersection-of-two-linked-lists	Easy
0206-reverse-linked-list	Easy
0876-middle-of-the-linked-list	Easy
2095-delete-the-middle-node-of-a-linked-list	Medium

Recursion

Problem Name	Difficulty
0206-reverse-linked-list	Easy

Hash Table

Problem Name	Difficulty
0141-linked-list-cycle	Easy
0142-linked-list-cycle-ii	Medium
0160-intersection-of-two-linked-lists	Easy
0347-top-k-frequent-elements	Medium

Stack

Problem Name	Difficulty
0225-implement-stack-using-queues	Easy
0735-asteroid-collision	Medium

Design

Problem Name	Difficulty
0225-implement-stack-using-queues	Easy

Queue

Problem Name	Difficulty
0225-implement-stack-using-queues	Easy

Simulation

Problem Name	Difficulty
0735-asteroid-collision	Medium

Dynamic Programming

Problem Name	Difficulty
0121-best-time-to-buy-and-sell-stock	Easy
0198-house-robber	Medium
0213-house-robber-ii	Medium

Divide and Conquer

Problem Name	Difficulty
0347-top-k-frequent-elements	Medium

Heap (Priority Queue)

Problem Name	Difficulty
0347-top-k-frequent-elements	Medium

Bucket Sort

Problem Name	Difficulty
0347-top-k-frequent-elements	Medium

Counting

Problem Name	Difficulty
0347-top-k-frequent-elements	Medium

Quickselect

Problem Name	Difficulty
0347-top-k-frequent-elements	Medium