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Merge k Sorted Lists
HARD
Sliding Window Maximum
HARD
Top K Frequent Elements
MEDIUM
Kth Largest Element in an Array
MEDIUM
Find Median from Data Stream
HARD
Task Scheduler
MEDIUM
Kth Smallest Element in a Sorted Matrix
MEDIUM
Reorganize String
MEDIUM
Find K Closest Elements
MEDIUM
Top K Frequent Words
MEDIUM
Meeting Rooms II
MEDIUM
Path With Minimum Effort
MEDIUM
The Skyline Problem
HARD
Furthest Building You Can Reach
MEDIUM
Minimum Number of Refueling Stops
HARD
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
MEDIUM
Course Schedule III
HARD
Trapping Rain Water II
HARD
Path with Maximum Probability
MEDIUM
Sliding Window Median
HARD
Minimum Cost to Hire K Workers
HARD
Design Search Autocomplete System
HARD
Relative Ranks
EASY
Minimum Cost to Make at Least One Valid Path in a Grid
HARD
Avoid Flood in The City
MEDIUM
Exam Room
MEDIUM
Max Value of Equation
HARD
The Maze II
MEDIUM
Closest Binary Search Tree Value II
HARD
Path With Maximum Minimum Value
MEDIUM
Optimize Water Distribution in a Village
HARD
Number of Restricted Paths From First to Last Node
MEDIUM
Pizza With 3n Slices
HARD
Maximum Score From Removing Stones
MEDIUM
Car Fleet II
HARD
Strong Password Checker
HARD
K Empty Slots
HARD
Find Kth Largest XOR Coordinate Value
MEDIUM
The Maze III
HARD
Finding MK Average
HARD
Minimum Time to Build Blocks
HARD
Minimum Path Cost in a Hidden Grid
MEDIUM