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Find Pivot Index
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First Unique Character in a String
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Longest Common Prefix
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Move Zeroes
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Remove Duplicates from Sorted Array
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Reverse String
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Reverse Words in a String
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Squares of a Sorted Array
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Two Sum
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Valid Anagram
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| Week-2 |
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Assign Cookies
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Best Time to Buy and Sell Stock
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Contains Duplicate II
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Find All Anagrams in a String
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Intersection of Two Arrays
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Majority Element
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Maximum Average Subarray I
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Permutation in String
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Range Sum Query - Immutable
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Subarray Sum Equals K
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Two Sum II - Input Array Is Sorted
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Valid Palindrome
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| Week-3 |
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Baseball Game
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Daily Temperatures
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Design Circular Queue
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Final Prices With a Special Discount in a Shop
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Implement Queue using Stacks
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Implement Stack using Queues
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Linked List Cycle
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Middle of the Linked List
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Next Greater Element I
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Number of Recent Calls
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Online Stock Span
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Remove All Adjacent Duplicates In String
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Remove Element
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Remove Nth Node From End of List
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Valid Parentheses
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| Week-4 |
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Binary Search
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Count of Smaller Numbers After Self
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Find First and Last Position of Element in Sorted Array
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Guess Number Higher or Lower
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Height Checker
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Koko Eating Bananas
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Maximum Product of Two Elements in an Array
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Merge Sorted Array
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Minimum Absolute Difference
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Relative Sort Array
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Search Insert Position
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Search a 2D Matrix
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Sort Array By Parity
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Sort Colors
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Sort an Array
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| Week-5 |
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Contains Duplicate
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Word Pattern
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Isomorphic Strings
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Longest Palindrome
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Maximum Number of Balloons
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Happy Number
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Unique Morse Code Words
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Unique Email Addresses
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Find the Difference
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Find the Difference of Two Arrays
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Longest Consecutive Sequence
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Kth Largest Element in a Stream
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Last Stone Weight
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Kth Largest Element in an Array
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K Closest Points to Origin
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Top K Frequent Elements
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| Week-6 |
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Find if Path Exists in Graph
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Find Center of Star Graph
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Count Unreachable Pairs of Nodes in an Undirected Graph
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Number of Islands
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Max Area of Island
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Island Perimeter
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Surrounded Regions
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Rotting Oranges
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01 Matrix
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Nearest Exit from Entrance in Maze
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Course Schedule
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Course Schedule II
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Find Eventual Safe States
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Pacific Atlantic Water Flow
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Flood Fill
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Count Sub Islands
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| Week-7 |
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Binary Tree Inorder Traversal
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Binary Tree Preorder Traversal
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Binary Tree Postorder Traversal
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Maximum Depth of N-ary Tree
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Minimum Depth of Binary Tree
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Maximum Depth of Binary Tree
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Same Tree
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Search in a Binary Search Tree
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Insert into a Binary Search Tree
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Validate Binary Search Tree
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Lowest Common Ancestor of a Binary Search Tree
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Binary Tree Level Order Traversal
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Binary Tree Level Order Traversal II
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Average of Levels in Binary Tree
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Symmetric Tree
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Invert Binary Tree
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| Week-8 |
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Subsets
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Subsets II
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Permutations
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Permutations II
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Combinations
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Combination Sum
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Combination Sum II
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Letter Combinations of a Phone Number
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Generate Parentheses
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Word Search
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Water and Jug Problem
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| Week-9 |
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Single Number
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Number of 1 Bits
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Hamming Distance
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Counting Bits
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Missing Number
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Reverse Bits
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Power of Two
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Power of Four
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Power of Three
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Bitwise AND of Numbers Range
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Complement of Base 10 Integer
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Binary Number with Alternating Bits
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Number Complement
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Divide Two Integers
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Sort Integers by The Number of 1 Bits
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