#shadowcoderinx Development Tutorials & Tips | Roast Dev

Conquering Valid Parentheses with Stack Magic

🔥 Today's Challenge Problem: Given a string containing just (, ), {, }, [ and ], determine if the input string is valid.Example:Input: "()[]{}" Output: true 🧠 The Hunter's Strategy Weapon of Cho...

23.04.2025 0 Read More

How I Mastered Merging Sorted Lists with Pointer Tactics

🔥 The ChallengeProblem: Merge two sorted linked lists into one sorted list. ⛶Input: list1 = [1->2->4], list2 = [1->3->4] Output: [1->1->2->3->4->4]🧠 My Battle Stra...

24.04.2025 0 Read More

🏋️ Day 4/100: Crushing LeetCode - Remove Duplicates from Sorted Array

Day 4/90: Conquering Duplicates in Sorted Arrays The Challenge: As I continue my 90-day DSA journey, today's battlefield was removing duplicates from a sorted array. The mission seemed simple...

26.04.2025 0 Read More

Day 5/90: Purge Elements Like the Shadow Monarch — Conquering LeetCode’s Remove Element Problem 🗡️

“The difference between the hunter and the prey is persistence.” Sung Jin-Woo, moments before annihilating a dungeon boss The Daily Quest: System Notification Objective: Remove all occurrences of ...

26.04.2025 0 Read More

Day 5/90: Purge Elements Like the Shadow Monarch — Conquering LeetCode’s Remove Element Problem 🗡️

26.04.2025 0 Read More

Day 06/90: Find the First Occurrence of a Substring in TypeScript/JavaScript

IntroductionWhen working with strings in programming, a common task is finding whether one string exists within another and locating its position. In this post, we'll explore how to solve the classic ...

27.04.2025 0 Read More

Day 07/90: Adding Two Numbers Represented by Linked Lists in TypeScript/JavaScript

IntroductionWhen numbers are represented as linked lists where each digit is stored in reverse order, adding them requires careful traversal and carry management. Today, we'll solve LeetCode Problem 2...

29.04.2025 0 Read More

Day 08/90: Solving the Longest Substring Without Repeating Characters Problem in TypeScript/JavaScript

Introduction Today, we're tackling a classic string manipulation problem - finding the length of the longest substring without repeating characters. This is LeetCode Problem 3, and it's a great way to...

30.04.2025 0 Read More

Conquering Valid Parentheses with Stack Magic

How I Mastered Merging Sorted Lists with Pointer Tactics

🏋️ Day 4/100: Crushing LeetCode - Remove Duplicates from Sorted Array

Day 5/90: Purge Elements Like the Shadow Monarch — Conquering LeetCode’s Remove Element Problem 🗡️

Day 5/90: Purge Elements Like the Shadow Monarch — Conquering LeetCode’s Remove Element Problem 🗡️

Day 06/90: Find the First Occurrence of a Substring in TypeScript/JavaScript

Day 07/90: Adding Two Numbers Represented by Linked Lists in TypeScript/JavaScript

Day 08/90: Solving the Longest Substring Without Repeating Characters Problem in TypeScript/JavaScript

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