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My LeetCode solutions

This area is dedicated to my LeetCode solutions, where I tackle various coding challenges to enhance my problem-solving skills and algorithmic thinking.

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Difficulty

easy

medium

hard

Type

Array

BFS

Binary Search

Binary Tree

Brute Force

Community Solution

DFS

HashMap

HashSet

Intervals

01. Two Sum

03. Longest Substring Without Repeating Characters

Sliding WindowHashSetString

102. Binary Tree Level Order Traversal

Binary TreeBFSQueue

104. Maximum Depth of Binary Tree

Binary TreeDFSRecursion

20. Valid Parentheses

238. Product of Array Except Self

Prefix ProductSuffix ProductArray

242. Valid Anagram

HashMapSortingString

347. Top K Frequent Elements

HashMapSortingArray

56. Merge Intervals

SortingIntervalsArray

704. Binary Search

Binary SearchArray

1 2

2026. Noel Sariñena

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