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Previous Year Questions
Palindrome Pairs
Hard
Pour Water
Medium
IP to CIDR
Medium
Flatten 2D Vector
Medium
Alien Dictionary
Hard
Text Justification
Hard
Design File System
Medium
Cheapest Flights Within K Stops
Medium
Sliding Puzzle
Hard
Flatten Nested List Iterator
Medium
Fraction to Recurring Decimal
Medium
Combination Sum
Medium
Wiggle Sort II
Medium
Koko Eating Bananas
Medium
Trapping Rain Water
Hard
Two Sum
Easy
Minimize Rounding Error to Meet Target
Medium
Employee Free Time
Hard
Pyramid Transition Matrix
Medium
Shortest Path to Get All Keys
Hard
Smallest Common Region
Medium
Guess the Word
Hard
Word Search II
Hard
Design In-Memory File System
Hard
Coin Change
Medium
Add Two Numbers
Medium
Regular Expression Matching
Hard
Maximum Profit in Job Scheduling
Hard
Bulls and Cows
Easy
Minimum Window Substring
Hard
Contains Duplicate II
Easy
Mini Parser
Medium
House Robber
Easy
Longest Palindromic Substring
Medium
Contains Duplicate III
Medium
Wiggle Sort
Medium
Lowest Common Ancestor of a Binary Tree
Medium
Valid Parentheses
Easy
Median of Two Sorted Arrays
Hard
Intersection of Two Linked Lists
Easy
Happy Number
Easy
Merge Two Sorted Lists
Easy
Single Number
Easy
Convert Sorted Array to Binary Search Tree
Easy
Merge k Sorted Lists
Hard
Kth Largest Element in an Array
Medium
Design Circular Queue
Medium
Maximal Square
Medium
Contains Duplicate
Easy
Add and Search Word - Data structure design
Medium
Verifying an Alien Dictionary
Easy
Reverse Bits
Easy
Find First and Last Position of Element in Sorted Array
Medium
Basic Calculator II
Medium
Add Strings
Easy
Convert to Base -2
Medium
Robot Bounded In Circle
Medium
Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
Hard
Maximum Candies You Can Get from Boxes
Hard
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