🎯 leetcode-grinding

INDEX TABLE

ID	Problem	DSA	Difficulty	Status
0001	Two Sum	Hash Table	easy	unsolved
0002	Add Two Numbers	Linked List; Math	medium	unsolved
0019	Remove Nth Node From End Of List	Linked List; Stack	medium	solved
0020	Valid Parentheses	Stack; HashTable	easy	solved
0021	Merge Two Sorted Lists	Linked List	easy	unsolved
0026	Invert Binary Tree	Binary Tree; Recursion	easy	unsolved
0027	Remove Element	Two Pointers	easy	solved
0035	Search Insert Position	Binary Search	easy	solved
0074	Search a 2D Matrix	Binary Search	medium	unsolved
0098	Validate Binary Search Tree	Binary Tree; Recursion; Tricks; Stack	medium	unsolved
0100	Same Tree	Binary Tree; Recursion;	easy	solved
0102	Binary Tree Level Order Traversal	Binary Tree; Queue	medium	unsolved
0104	Maximum Depth of Binary Tree	Binary Tree; Recursion	easy	solved
0110	Balanced Binary Tree	Binary Tree; Recursion; Tricks	easy	solved
0125	Valid Palindrome	Two Pointers	easy	solved
0141	Linked List Cycle	Linked List; Hash Table; Two Pointers	easy	solved
0143	Reorder List	Linked List; Synthesis	medium	unsolved
0150	Evaluate Reverse Polish Notation	Hash Table	medium	unsolved
0151	Reverse Words in a String	Two Pointers	medium	solved
0153	Find Minimum in Rotated Sorted Array	Binary Search	medium	unsolved
0155	Min Stack	Stack	medium	unsolved
0199	Binary Tree Right Side View	Binary Tree; Queue; Recursion; Tricks	medium	solved
0202	Happy Number	Hash Table	easy	unsolved
0215	Kth Largest Element in an Array	Priority Queue	medium	solved
0217	Contains Duplicate	Hash Table; Array, Sorting	easy	unsolved
0230	Kth Smallest Element in a BST	Binary Tree; Recursion; Stack	medium	solved
0242	Valid Anagram	Hash Table; String, Sorting	easy	unsolved
0344	Reverse String	Two Pointers	easy	solved
0349	Intersection of Two Arrays	Hash Table	easy	solved
0383	Ransom Note	Hash Table	easy	solved
0454	4Sum II	Hash Table	medium	unsolved
0543	Diameter of Binary Tree	Binary Tree; Recursion; Tricks	easy	unsolved
0572	Subtree of Another Tree	Binary Tree; Recursion	easy	unsolved
0703	Kth Largest Element in a Stream	Priority Queue; Tricks	easy	unsolved
0704	Binary Search	Binary Search	easy	unsolved
0739	Daily Temperatures	Stack	medium	unsolved
0875	Koko Eating Bananas	Binary Search	medium	unsolved
0876	Middle of the Linked List	Linked List; Two Pointers	easy	solved
0973	K Closest Points to Origin	Priority Queue; Pair	medium	unsolved
1002	Find Common Characters	Hash Table	easy	unsolved
1046	Last Stone Weight	Priority Queue	easy	solved
1123	Lowest Common Ancestor of Deepest Leaves	Binary Tree; Recursion; Pair	medium	unsolved
1448	Count Good Nodes In Binary Tree	Binary Tree; Recursion; Tricks	medium	unsolved