Heaps · DSA Java Articles

Learning

ID	Problem	Difficulty	Section	Sheets
1223	Heaps (Theory Video)	Easy	Learning	A2Z
576	Implement Min Heap	Medium	Learning	A2Z
571	Check if an array represents a min heap	Medium	Learning	A2Z
572	Convert Min Heap to Max Heap	Medium	Learning	A2Z
575	Implement Max Heap	Medium	Learning	SDE

ID	Problem	Difficulty	Section	Sheets
578	K-th Largest element in an array	Medium	Medium Problems	A2Z SDE
2840	Kth smallest element in an array [use priority queue]	Medium	Medium Problems	A2Z
2409	Sort K sorted array	Easy	Medium Problems	A2Z
569	Merge K sorted Lists	Hard	Medium Problems	A2Z
898	Replace Elements by Their Rank	Easy	Medium Problems	A2Z
1008	Task Scheduler	Medium	Medium Problems	A2Z
556	Hand of Straights	Medium	Medium Problems	A2Z
713	Merge K Sorted Arrays	Medium	Medium Problems	SDE B75
2839	K-th largest element in an unsorted array.	Medium	Medium Problems	SDE

ID	Problem	Difficulty	Section	Sheets
565	Design Twitter	Medium	Hard Problems	A2Z
755	Minimum Cost to Connect Sticks	Medium	Hard Problems	A2Z
2838	Kth largest element in a stream of running integers	Hard	Hard Problems	A2Z
568	Maximum Sum Combination	Hard	Hard Problems	A2Z SDE
566	Find Median from Data Stream	Hard	Hard Problems	A2Z SDE B75
1018	Top K Frequent Elements	Medium	Hard Problems	A2Z SDE B75
446	Find Median in a Stream	Medium	Hard Problems	SDE
567	Kth largest element in a stream of running integers	Hard	Hard Problems	SDE