Heap
215    Kth Largest Element in an Array239 Sliding Window Maximum253    Meeting Rooms II264    Ugly Number II295    Find Median from Data Stream313    Super Ugly Number347    Top K Frequent Elements358    Rearrange String k Distance Apart373    Find K Pairs with Smallest Sums378 Kth Smallest Element in a Sorted Matrix407 Trapping Rain Water II451    Sort Characters By Frequency480 Sliding Window Median502    IPO659    Split Array into Consecutive Subsequences668    Kth Smallest Number in Multiplication Table692    Top K Frequent Words759 Employee Free Time767 Reorganize String778 Swim in Rising Water973. K Closest Points to Origin
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