The Code Demystified
The Code Demystified
  • Видео 36
  • Просмотров 950
LeetCode 734 | Path Sum III | 35th in LeetCode 75
🌟 LeetCode 437: Path Sum III - Master Recursive Tree Problems! 🌳
🎯 Problem Overview:
In this challenge, the task is to find the number of paths in a binary tree where the sum of the nodes along the path equals a given targetSum. The path:
- Does not need to start or end at the root or leaf.
- Must go downwards (parent to child).
💡 What You’ll Learn in This Video:
1. Breaking down complex problems involving tree traversal.
2. How to efficiently calculate paths using recursion.
3. The art of managing current path sums without additional data structures.
🚀 Solution Breakdown:
1. Recursive Approach:
- For each node, calculate all possible paths starting from that node and add to the count if ...
Просмотров: 16

Видео

LeetCode 1448 | Count Good Nodes in Binary Tree | 35th in LeetCode 75
Просмотров 1214 дней назад
🌳 LeetCode 1448: Count Good Nodes in a Binary Tree - Master Tree Problems! 🚀 🎯 Problem Overview: In this problem, we identify "good nodes" in a binary tree. A node is considered good if there’s no other node with a greater value in the path from the root to that node. Your task is to return the total count of such nodes. 💡 What You’ll Learn in This Video: 1. Understanding the good nodes concept...
LeetCode 872 | Leaf-Similar Trees | 34th in LeetCode 75
Просмотров 1014 дней назад
🌳 LeetCode 872: Leaf-Similar Trees - Compare Trees Like a Pro! 🚀 🎯 Problem Overview: The task is to determine if two binary trees are leaf-similar. This means that the leaf value sequences (the values of all the leaf nodes from left to right) of the two trees must be the same. 🌟 💡 What You’ll Learn in This Video: 1. How to extract leaf value sequences from binary trees. 2. Comparing two trees b...
LeetCode 104 | Maximum Depth of Binary Tree | 33rd in LeetCode 75
Просмотров 814 дней назад
🌳 LeetCode 104: Maximum Depth of Binary Tree - Simplify Binary Trees Like a Pro! 🚀 🎯 Problem Overview: Find the maximum depth of a binary tree! 🌲 This depth is the longest path from the root node to the farthest leaf node. 💡 What You’ll Learn in This Video: 1. How to calculate the maximum depth of any binary tree using recursion. 2. Breaking down the problem into smaller subproblems for each su...
LeetCode 2130 | Maximum Twin Sum of a Linked List | 32nd in LeetCode 75
Просмотров 721 день назад
🔥 LeetCode 2130: Maximum Twin Sum of a Linked List - Unlock Linked List Secrets! 🚀 🎯 Problem Overview: You’re given a linked list with even length. The challenge? Find the maximum twin sum, where the twin of the i-th node is the ((n-1-i))-th node. 💡 What You’ll Learn in This Video: 1. How to efficiently solve this linked list twist with an optimized approach. 2. Techniques to: - Identify the mi...
LeetCode 206 | Reverse Linked List | 31st in LeetCode 75
Просмотров 921 день назад
🔥 LeetCode 206: Reverse Linked List - Master This Must-Know Concept! 🚀 🎯 Problem Overview: Given the head of a singly linked list, reverse the list in place and return the new head. 💡 What You’ll Learn in This Video: 1. The iterative approach to reverse a linked list step-by-step. 2. How to effectively manage pointers (`prev`, `curr`, and `next`) for in-place reversal. 3. Why reversing a linked...
LeetCode 328 | Odd Even Linked List | 30th in LeetCode 75
Просмотров 921 день назад
🔗 LeetCode 328: Odd Even Linked List - Simplified! 💡 🎯 Problem Overview: Reorder a singly linked list such that: - Nodes with odd indices come first. - Nodes with even indices come next. Preserve the relative order within each group while solving this in O(n) time and O(1) space. 💡 What You’ll Learn in This Video: 1. How to group odd and even nodes using separate pointers. 2. Tips to merge the ...
LeetCode 2095 | Delete the Middle Node of a Linked List | 29th in LeetCode 75
Просмотров 1321 день назад
💻 LeetCode 2095: Delete the Middle Node of a Linked List Explained! 💡 🎯 Problem Overview: You're given the head of a linked list, and your mission is to delete the middle node! For a list of size `n`, the middle node is located at `⌊n / 2⌋`. Whether the list has an odd or even number of nodes, the solution efficiently removes the middle node in O(n) time. 💡 Key Concepts Covered in This Video: -...
LeetCode 649 | Dota2 Senate | 28th in LeetCode 75
Просмотров 1221 день назад
🌟 LeetCode 649: Dota2 Senate Explained! 🌟 🎮 Description: Welcome to the world of Dota2 politics! In this exciting problem, two parties-Radiant ('R') and Dire ('D')-compete to control the senate. Each senator can either ban an opponent senator or declare victory when their party dominates. The simulation involves strategic decision-making to determine the winning party. This is not just a proble...
LeetCode 933 | Number of Recent Calls | 27th in LeetCode 75
Просмотров 2228 дней назад
📞 LeetCode 933: Number of Recent Calls 📞 Master queue-based problem-solving with this exciting LeetCode challenge! Learn how to implement a RecentCounter class that efficiently counts recent requests within a time frame. 🚀 🔍 What’s covered in this video? ✅ Detailed Problem Explanation with Real-World Examples ✅ Step-by-Step Java Solution with Queue Implementation ✅ Optimized Approach for Effici...
LeetCode 394 | Decode String | 26th in LeetCode 75
Просмотров 1628 дней назад
🧩 LeetCode 394: Decode String🧩 Unlock the magic of decoding strings with this exciting stack-based problem from LeetCode! If you're preparing for coding interviews, mastering this problem will boost your confidence in tackling nested problems involving stacks and string manipulations! 🎯 🔍 What’s inside this video? ✅ In-depth Problem Explanation with Examples ✅ Step-by-Step Breakdown of the Solu...
LeetCode 735 | Asteroid Collision | 15th in LeetCode 75
Просмотров 23Месяц назад
🌌 LeetCode 735: Asteroid Collision 🌌 Ready to tackle one of the most fascinating stack-based problems in LeetCode? This problem, Asteroid Collision, is a frequent favorite in coding interviews! 🚀 🔍 What’s in this video? ✅ Clear Explanation of the Problem with Visual Examples ✅ Optimal Solution Using Stacks ✅ Step-by-Step Code Walkthrough in Java ✅ Time Complexity and Space Complexity Breakdown ...
LeetCode 2390 | Removing Stars From a String | 24th in LeetCode 75
Просмотров 27Месяц назад
🌟 LeetCode 2390: Removing Stars From a String 🌟 Struggling with stack-based problems? This LeetCode challenge is a must-solve for mastering DSA interview questions! In this video, we dive into the problem Removing Stars From a String, breaking it down step-by-step to give you a crystal-clear understanding. 🚀 🔍 What's in this video? ✅ Problem Explanation with Real-Life Examples ✅ Optimal Solutio...
LeetCode 2352 | Equal Row and Column Pairs | 23rd in LeetCode 75
Просмотров 13Месяц назад
🎯 LeetCode 2352 | Equal Row and Column Pairs | Java Solution Simplified! 💡 Are you ready to tackle a fascinating matrix problem? In this video, we break down LeetCode 2352: Equal Row and Column Pairs, a problem that challenges your understanding of 2D arrays and hash maps. 🧮 📌 What Will You Learn? ✅ How to compare rows and columns efficiently in a 2D matrix. ✅ The power of using HashMap for fre...
LeetCode 1657 | Determine if Two Strings Are Close | 22nd in LeetCode 75
Просмотров 16Месяц назад
🎯 LeetCode 1657 | Determine if Two Strings Are Close | Java Solution Demystified! 🔄 Want to ace coding interviews with string manipulation skills? This video dives deep into solving LeetCode 1657: Determine if Two Strings Are Close, a challenging problem that tests your understanding of character frequencies and transformations. 🧵 📌 What Will You Learn? ✅ The concept of closeness in strings exp...
LeetCode 1207 | Unique Number of Occurrences | 21st in LeetCode 75
Просмотров 10Месяц назад
LeetCode 1207 | Unique Number of Occurrences | 21st in LeetCode 75
LeetCode 2215 | Find the Difference of Two Arrays | 20th in LeetCode 75
Просмотров 59Месяц назад
LeetCode 2215 | Find the Difference of Two Arrays | 20th in LeetCode 75
LeetCode 724 | Find Pivot Index | 19th in LeetCode 75
Просмотров 7Месяц назад
LeetCode 724 | Find Pivot Index | 19th in LeetCode 75
LeetCode 1732 | Find the Highest Altitude | 18th in LeetCode 75
Просмотров 10Месяц назад
LeetCode 1732 | Find the Highest Altitude | 18th in LeetCode 75
LeetCode 1493 | Longest Subarray of 1's After Deleting One Element | 17th in LeetCode 75
Просмотров 11Месяц назад
LeetCode 1493 | Longest Subarray of 1's After Deleting One Element | 17th in LeetCode 75
LeetCode 1004 | Max Consecutive Ones III | 16th in LeetCode 75
Просмотров 32Месяц назад
LeetCode 1004 | Max Consecutive Ones III | 16th in LeetCode 75
LeetCode 1456 | Maximum Number of Vowels in a Substring of Given Length | 15th in LeetCode 75
Просмотров 29Месяц назад
LeetCode 1456 | Maximum Number of Vowels in a Substring of Given Length | 15th in LeetCode 75
LeetCode 643 | Maximum Average Subarray I | 14th in LeetCode 75
Просмотров 13Месяц назад
LeetCode 643 | Maximum Average Subarray I | 14th in LeetCode 75
LeetCode 1679 | Max Number of K-Sum Pairs | 13th in LeetCode 75
Просмотров 14Месяц назад
LeetCode 1679 | Max Number of K-Sum Pairs | 13th in LeetCode 75
LeetCode 11 | Container With Most Water | 12th in LeetCode 75
Просмотров 65Месяц назад
LeetCode 11 | Container With Most Water | 12th in LeetCode 75
LeetCode 392 | Is Subsequence | 11th in LeetCode 75
Просмотров 20Месяц назад
LeetCode 392 | Is Subsequence | 11th in LeetCode 75
LeetCode 283 | Move Zeros | 10th in LeetCode 75
Просмотров 16Месяц назад
LeetCode 283 | Move Zeros | 10th in LeetCode 75
LeetCode 443 | String Compression | 9th in LeetCode 75
Просмотров 30Месяц назад
LeetCode 443 | String Compression | 9th in LeetCode 75
LeetCode 334 | Increasing Triplet Subsequence | 8th in LeetCode 75
Просмотров 132 месяца назад
LeetCode 334 | Increasing Triplet Subsequence | 8th in LeetCode 75
LeetCode 238 | Product of Array Except Self | 7th in LeetCode 75
Просмотров 102 месяца назад
LeetCode 238 | Product of Array Except Self | 7th in LeetCode 75

Комментарии

  • @kakavari9240
    @kakavari9240 2 месяца назад

    Good job bhai

    • @TheCodeDemystified
      @TheCodeDemystified 2 месяца назад

      thanks brother!! Please don't forget to like, share and subscribe.

  • @minhajuddin2722
    @minhajuddin2722 4 месяца назад

    Very easy to understand and too good.