DKodeTree Total | Practice Problems

Practice Problems

DKodeTree Total displays all the problems to which I have added either a written or a video solution on this website. More solutions and problem links will be added from time to time to keep your learning journey up-to-date.

Focused Mode

Group by Category

Show Patterns

Showing 65 problems from DKodeTree Total

	Two Sum			Easy
	Find Pivot Index			Easy
	Valid Parentheses			Easy
	Number of Recent Calls			Easy
	Valid Palindrome			Easy
	Binary Search			Easy
	Contains Duplicate II			Easy
	Relative Sort Array			Easy
	Linked List Cycle			Easy
	Delete Node in a Linked List			Medium
	Binary Tree Level Order Traversal			Medium
	Search in a Binary Search Tree			Easy
	Two Sum II - Input Array is Sorted			Medium
	Invert Binary Tree			Easy
	Rabbits in Forest			Medium
	Linked List Cycle II			Medium
	Count the Number of Fair Pairs			Medium
	Binary Tree Cameras			Hard
	Contains Duplicate III			Hard
	Contains Duplicate			Easy
	Valid Palindrome II			Easy
	Same Tree			Easy
	Sort an Array			Medium
	Sort Colors			Medium
	Reverse Linked List			Easy
	Binary Tree Inorder Traversal			Easy
	Binary Tree Postorder Traversal			Easy
	Binary Tree Preorder Traversal			Easy
	N-ary Tree Preorder Traversal			Easy
	N-ary Tree Level Order Traversal			Medium
	Last Stone Weight			Easy
	Subsets			Medium
	Flood Fill			Easy
	Fibonacci Number			Easy
	Number of Common Factors			Easy
	Isomorphic Strings			Easy
	Next Greater Element I			Easy
	Evaluate Reverse Polish Notation			Medium
	Min Stack			Medium
	Path Sum			Easy
	Assign Cookies			Easy
	Valid Sudoku			Medium
	Remove K Digits			Medium
	Majority Element			Easy
	Merge Intervals			Medium
	Design Browser History			Medium
	Remove Duplicate Letters			Medium
	3Sum			Medium
	Find All Anagrams in a String			Medium
	Path Sum II			Medium
	Insert Interval			Medium
	Interval List Intersections			Medium
	Remove Covered Intervals			Medium
	Minimum Number of Arrows to Burst Balloons			Medium
	My Calendar I			Medium
	Design a Food Rating System			Medium
	Replace Non-Coprime Numbers in Array			Hard
	Find the Duplicate Number			Medium
	Two Sum IV - Input is a BST			Easy
	My Calendar II			Medium
	Reverse Linked List II			Medium
	Path Sum III			Medium
	Majority Element II			Medium
	Non-overlapping Intervals			Medium
	My Calendar III			Hard