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# leetcode

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Binary Tree Interview Problems: 6 Traversal Patterns, 15 Problems

Binary Tree Interview Problems: 6 Traversal Patterns, 15 Problems

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7 min read
Binary Search Tree Explained: All Operations From One Rule

Binary Search Tree Explained: All Operations From One Rule

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7 min read
Interview Sheet Q3:- 217. Contains Duplicate

Interview Sheet Q3:- 217. Contains Duplicate

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1 min read
LeetCode Solution: 1. Two Sum

LeetCode Solution: 1. Two Sum

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6 min read
Big O Notation Explained: Derive It, Don't Memorize It

Big O Notation Explained: Derive It, Don't Memorize It

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7 min read
I Solved 512+ LeetCode Problems, and Here’s What I Learned 🧠

I Solved 512+ LeetCode Problems, and Here’s What I Learned 🧠

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2 min read
Leetcode QOTD:- 1340. Jump Game V

Leetcode QOTD:- 1340. Jump Game V

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2 min read
LeetCode 747 in Java: Largest Number At Least Twice of Others Explained

LeetCode 747 in Java: Largest Number At Least Twice of Others Explained

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2 min read
BFS vs DFS: The Invariant Decides, Not Your Preference

BFS vs DFS: The Invariant Decides, Not Your Preference

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5 min read
Leetcode QOTD:- 33. Search in Rotated Sorted Array

Leetcode QOTD:- 33. Search in Rotated Sorted Array

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1 min read
AVL Trees Explained: How Rotations Keep BST Operations O(log n)

AVL Trees Explained: How Rotations Keep BST Operations O(log n)

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8 min read
Interview Sheet Q1:- 1. Two Sum

Interview Sheet Q1:- 1. Two Sum

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2 min read
Leetcode QOTD:- 3043. Find the Length of the Longest Common Prefix

Leetcode QOTD:- 3043. Find the Length of the Longest Common Prefix

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1 min read
LeetCode Solution: 6. Zigzag Conversion

LeetCode Solution: 6. Zigzag Conversion

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6 min read
Median of Two Sorted Arrays — LeetCode #4 (Hard)

Median of Two Sorted Arrays — LeetCode #4 (Hard)

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4 min read
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