Day 8 – Linked List Cycle & Middle of the Linked List | Slow and Fast Pointer | LeetCode ChallengeJan 7, 2026·2 min read
Day 7 – Squares of Sorted Array & Best Time to Buy/Sell Stock | Two Pointer + Greedy | LeetCode ChallengeAug 1, 2025·3 min read
Day 9 – Intersection of Two Linked Lists | Two Pointer | LeetCode Challenge🗓️ Date: January 9, 2026📌 Challenge:🧩 Problem: Intersection of Two Linked Lists – LeetCode #160 (Easy)💻 Topic: Two Pointer, Linked List ✅ Problem Statement (Summary): Goal: Given the heads of two singly linked lists headA and headB, return the n...Jan 8, 2026·2 min read
Day 5 – Remove Duplicates from Sorted Array | Two pointers, In-place | LeetCode ChallengeJul 30, 2025·2 min read
Day 4 – Longest Substring & Max Consecutive Ones | Sliding Window Mastery | LeetCode Challenge🗓️ Date: July 28, 2025📌 Challenge:🧩 Problem 1: Longest Substring Without Repeating Characters – LeetCode #3 (Medium)🧩 Problem 2: Max Consecutive Ones III – LeetCode #1004 (Medium)💻 Topic: Sliding Window, Two Pointers, Arrays ✅ Problem Statement...Jul 28, 2025·3 min read
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...Jul 27, 2025·1 min read
Day 2 – Max Average Subarray & Highest Altitude | Sliding Window + Prefix Sum | LeetCode Challenge🗓️ Date: July 26, 2025📌 Challenge:🧩 Problem 1: Maximum Average Subarray I – LeetCode #643 (Easy)🧩 Problem 2: Find the Highest Altitude – LeetCode #1732 (Easy)💻 Topic: Sliding Window, Prefix Sum, Arrays ✅ Problem Statement (Summary): 🔹 Problem ...Jul 26, 2025·2 min read
Day 1 – Move Zeroes | Two Pointer Approach | LeetCode Challenge🗓️ Date: July 25, 2025 📌 Challenge: 🧩 Problem: Move Zeroes – LeetCode #283 (Easy)💻 Topic: Arrays, Two Pointers ✅ Problem Statement (Summary): Move all zeroes in an array to the end while maintaining the relative order of the non-zero elements.E...Jul 25, 2025·1 min read
