LeetCode Practice & Algorithm Review Notes

A dedicated repository for daily LeetCode practice, algorithm templates, and problem-solving reflections. Code is automatically synced via LeetSync.

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Problem Index & Progress Tracker

#	Problem Title	Difficulty	Category / Core Technique	Solution	Status
0001	Two Sum	Easy	Array / Hash Table	📂 Code	✅ Mastered
0383	Ransom Note	Easy	Hash Table / String / Counting	📂 Code	✅ Mastered
0412	Fizz Buzz	Easy	Math / String / Simulation	📂 Code	✅ Mastered
0876	Middle of The Linked List	Easy	Linked List / Two Pointers	📂 Code	✅ Mastered
1342	Number of Steps to Reduce a Number to Zero	Easy	Math / Bit Manipulation	📂 Code	✅ Mastered
1480	Running Sum of 1d Array	Easy	Array / Prefix Sum	📂 Code	✅ Mastered
1569	Number of Ways to Reorder Array to Get Same BST	Hard	Array / Math / Divide & Conquer	📂 Code	🔄 Redo
1672	Richest Customer Wealth	Easy	Array / Matrix	📂 Code	✅ Mastered
2916	Subarrays Distinct Element Sum of Squares II	Hard	Array / Hash Table / Binary Indexed Tree / Segment Tree	📂 Code	🔄 Redo
3551	Minimum Swaps to Sort by Digit Sum	Medium	Array / Hash Table / Sorting	📂 Code	🔄 Redo

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Topic Review & Templates (In Progress)

• Arrays 101
• Array and String
• Hash Table
• Linked List
• Queue & Stack
• Binary Search
• Recursion I
• Binary Tree
• Binary Search Tree
• Heap
• Recursion II
• Dynamic Programming
• Graph