Topic
Heap problems
47 problems: 3 Easy, 26 Medium, 18 Hard.
Easy (3)
Medium (26)
- Top K Frequent Elements
- Kth Largest Element in an Array
- Kth Smallest Element in a BST
- Network Delay Time
- Cheapest Flights Within K Stops
- Meeting Rooms II
- Reorganize String
- Top K Frequent Words
- K Closest Points to Origin
- Design Twitter
- Kth Smallest Element in a Sorted Matrix
- Path With Minimum Effort
- Ugly Number II
- Super Ugly Number
- Find K Pairs with Smallest Sums
- Exam Room
- Distant Barcodes
- Furthest Building You Can Reach
- Minimum Jumps to Reach Home
- Kth Smallest Element in Sorted Matrix
- Maximum Number of Eaten Apples
- Sort Characters By Frequency
- Path with Maximum Probability
- Open the Lock
- Lexicographically Smallest Topological Order
- Least Connections Load Balancer
Hard (18)
- Merge k Sorted Lists
- Find Median from Data Stream
- Minimum Interval to Include Each Query
- Swim in Rising Water
- Minimum Number of Refueling Stops
- Rearrange String k Distance Apart
- Sliding Window Median
- Smallest Range Covering Elements from K Lists
- IPO
- Maximum Performance of a Team
- Course Schedule III
- Find K-th Smallest Pair Distance
- Kth Smallest Number in Multiplication Table
- Reachable Nodes In Subdivided Graph
- Minimum Cost to Hire K Workers
- Max Value of Equation
- Minimize Deviation in Array
- Merge Sorted Streams