NeetCode 14 | LeetCode #11 | Container With Most Water Solved using the two-pointer approach — expanding and shrinking boundaries to find the maximum area efficiently in O(n) time. A great example of how logical movement can outperform brute force. #NeetCode #LeetCode #Java #DSA #Algorithms #TwoPointers #ProblemSolving #CodingJourney

Count Good Nodes in Binary Tree | NeetCode 46 | LeetCode #1448 Recursion with path tracking — compare each node with the max value so far. A clean problem that builds confidence in tree traversal logic 💡 #NeetCode #LeetCode #DSA #Java #BinaryTree #Recursion #Algorithms

NeetCode 33 | LeetCode #141 | Linked List Cycle Detection Used two pointers moving at different speeds: If they meet → cycle exists If the fast pointer reaches null → no cycle Efficient and elegant solution for a common linked list problem. #LeetCode #NeetCode #Java #Algorithms #DataStructures #Optimization #Coding

NeetCode 43 | LeetCode #104 | Maximum Depth of Binary Tree Even though it’s one of the simpler tree problems, it’s such a solid way to understand recursion properly 🌳 Just find the max between left and right depth and add 1 — that’s it! But it really builds your foundation for all future tree questions 💪 #NeetCode #LeetCode #DSA #Java #BinaryTree #Recursion #ProblemSolving #CodingJourney

NeetCode 20 | LeetCode #567 | Permutation in String Applied sliding window with character frequency tracking to efficiently check for permutations in a string. A great exercise in combining logic, hash maps, and window optimization. #NeetCode #LeetCode #Java #DSA #Algorithms #SlidingWindow #ProblemSolving #CodingJourney

NeetCode 35 | LeetCode #143 | Reorder Linked List This one’s all about mastering pointer manipulation! Steps I followed: 1️⃣ Find the middle using slow & fast pointers 2️⃣ Reverse the second half 3️⃣ Merge both halves alternately Such problems really sharpen understanding of linked list structure and in-place rearrangement. #NeetCode #LeetCode #Java #DSA #LinkedList #Algorithms #CodingJourney #ProblemSolving

NeetCode 18 | LeetCode #3 | Longest Substring Without Repeating Characters Applied the sliding window technique to efficiently track unique characters and find the longest substring in O(n) time. A great exercise in optimizing logic and managing state effectively. #NeetCode #LeetCode #Java #DSA #Algorithms #SlidingWindow #ProblemSolving #CodingJourney

NeetCode 11 | LeetCode #167 | Two Sum II – Input Array Is Sorted Practiced the two-pointer approach — efficient and intuitive for sorted arrays. This problem reinforced how understanding data properties can simplify logic and reduce complexity to O(n). #NeetCode #LeetCode #Java #Algorithms #TwoPointers #DSA #ProblemSolving #CodingJourney

Day 71 #VenkatToSDEin90Days 🔹 Topic: Top K Frequent Elements Learned how to find the numbers that appear most often in a list. Key steps: Count frequency of each number using a map Use a heap to track the top K frequent numbers Handle cases where K is larger than the number of unique elements Useful for trending topics, popular searches, and analyzing user activity. #Coding #DSA #Java #Heap #HashMap #PlacementPreparation #100DaysOfCode #TopKFrequent #ProblemSolving #LearningEveryday

NeetCode 25 | LeetCode #239 | Sliding Window Maximum Implemented an efficient solution using a deque to track potential maximums within each window. A classic example of optimizing brute force with data structures — achieving O(n) time complexity. #NeetCode #LeetCode #Java #DSA #Deque #SlidingWindow #Algorithms #ProblemSolving #CodingJourney