1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19class KthLargest(object): def __init__(self, k, nums): self.pool = nums self.k = k heapq.heapify(self.pool) while len(self.pool) > k: heapq.heappop(self.pool) def add(self, val): if len(self.pool) < self.k: heapq.heappush(self.pool, val) elif val > self.pool[0]: heapq.heapreplace(self.pool, val) return self.pool[0]