Browsing Tag
leetcode
38 posts
I Got Bored of LeetCode, so I Built a Coding RPG
https://dsa-life-simulator-frontend.vercel.app”I made a free tool to make DSA practice feel like an RPG — would like feedback from…
LeetCode 387: First Unique Character in a String — Simple Explanation with Carry Logic (Java)
Difficulty: Easy Topics: Hash Table, String, Queue, Counting Platform: Leetcode Problem Statement Given a string s, find the…
How to Solve Your First LeetCode Problem: A Beginner’s Guide
How to Solve Your First LeetCode Problem: A Beginner’s Guide LeetCode has become the favorite playground for developers…
155. Min Stack | LeetCode | Top Interview 150 | Coding Questions
Problem Link https://leetcode.com/problems/min-stack/ Detailed Step-by-Step Explanation https://leetcode.com/problems/min-stack/solutions/7568000/most-optimal-code-beats-200-all-language-2flu Solution class MinStack { Stack stack; Stack minStack; public MinStack() {…
Leetcode – Day 1
Problem 1: Contains Duplicate ( Leetcode 217 ) Example: [ 1,2,2,4 ] Return True | [1,2,3] Return False…
👹 Longest Binary Subsequence K – LeetCode 2311 (C++ | JavaScript | Python )
👋 Hey, binary sleuths! 🕵️♂️💡 Today, we dive into a clever bit manipulation puzzle — LeetCode 2311: Longest…
![[leetcode-#27]-remove-element](https://prodsens.live/wp-content/uploads/2025/06/35333-leetcode-27-remove-element-380x250.png)
[📝LeetCode #27] Remove Element
🎀 The Problem Given an integer array nums and an integer val, remove all occurrences of val in…
🔁 1128. Number of Equivalent Domino Pairs – Explained with Code in C++, JavaScript, and Python
If you’ve ever played with dominoes, you know that the order of the numbers doesn’t matter—[1,2] is the…
Leetcode – 290. Word Pattern
Javascript Code /** * @param {string} pattern * @param {string} s * @return {boolean} */ var wordPattern =…
![[algorithm]-151.-reverse-words-in-a string](https://prodsens.live/wp-content/uploads/2025/02/31383-algorithm-151-reverse-words-in-a-string-380x250.png)
[Algorithm] 151. Reverse Words in a String
Description Given an input string s, reverse the order of the words. A word is defined as a…
