// practice ground

Problems

# Title Topics Difficulty
276 Maximum Product Subarray
Arrays Dynamic Programming
Medium
277 Find Minimum in Rotated Sorted Array
Arrays Binary Search
Medium
278 Find Duplicate Number
Arrays Binary Search Two Pointers
Medium
279 First Missing Positive
Arrays Hashing
Hard
280 Jump Game II
Arrays Dynamic Programming Greedy
Medium
281 Largest Rectangle in Histogram
Arrays Stacks
Hard
282 Maximal Rectangle
Arrays Dynamic Programming Matrix Stacks
Hard
283 Maximum Gap
Arrays Sorting
Hard
284 Trapping Rain Water II
Arrays Heaps / Priority Queue Matrix
Hard
285 Rotate Function
Arrays Math
Medium
286 Wiggle Sort
Arrays Sorting
Medium
287 Wiggle Sort II
Arrays Sorting
Medium
288 Product of Two Run-Length Encoded Arrays
Arrays Two Pointers
Medium
289 Summary Ranges
Arrays
Easy
290 Find the Town Judge
Graphs
Easy
291 Path Exists in Graph
Graphs
Easy
292 Employee Importance
Graphs
Easy
293 All Paths From Source to Target
Backtracking Graphs
Medium
294 Keys and Rooms
Graphs
Medium
295 Shortest Path in Binary Matrix
Graphs Matrix
Medium
296 Snakes and Ladders
Graphs Matrix
Medium
297 Minimum Genetic Mutation
Graphs Strings
Medium
298 Open the Lock
Graphs
Medium
299 Clone Graph
Graphs
Medium
300 Evaluate Division
Graphs Union Find (Disjoint Set)
Medium
Showing 276–300 of 1062