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Array
Array
0/31 solved
Number of Islands
MEDIUM
Merge Intervals
MEDIUM
Find First and Last Position of Element in Sorted Array
MEDIUM
Coin Change
MEDIUM
Top K Frequent Elements
MEDIUM
Word Search
MEDIUM
Single Element in a Sorted Array
MEDIUM
Target Sum
MEDIUM
Task Scheduler
MEDIUM
Sudoku Solver
HARD
Unique Paths II
MEDIUM
Meeting Rooms II
MEDIUM
Maximum Profit in Job Scheduling
HARD
Unique Paths III
HARD
Shortest Path in a Grid with Obstacles Elimination
HARD
Alien Dictionary
HARD
Bus Routes
HARD
Jump Game III
MEDIUM
Smallest Range Covering Elements from K Lists
HARD
Find K-th Smallest Pair Distance
HARD
The Number of Weak Characters in the Game
MEDIUM
Snakes and Ladders
MEDIUM
Shortest Path to Get All Keys
HARD
Longest Word in Dictionary
MEDIUM
Employee Free Time
HARD
The Maze
MEDIUM
Meeting Rooms III
HARD
Subdomain Visit Count
MEDIUM
Optimal Account Balancing
HARD
Count Subarrays With Score Less Than K
HARD
Sparse Matrix Multiplication
MEDIUM