Day 3 – Remove Element | In-Place Deletion with STL | LeetCode Challenge

🗓 Date: July 27, 2025📌 Challenge:🧩 Problem: Remove Element – LeetCode #27 (Easy)💻 Topic: Arrays, In-Place Operations ✅ Problem Statement (Summary):Given an array nums and a value val, remove all instances of val in-place and return the number of...