ExtraHeapPractice ProblemsOn this pagePractice ProblemsBasic Problems: kth largest element in an array Does array represent Heap Sum of elements between k1'th and k2'th smallest elements Heap sort Intermediate Problems: Merge K sorted lists Task Scheduler Hand of Straights BST to max heap Merge overlapping intervals Advanced Problems: Design Twitter kth largest element in a stream Find median from data stream Top k frequent elements Rod Cutting