Method Swap

find_median_from_data_stream_295/solution.go:13–15

(i, j int)

	return h[i] > h[j]
}
func (h MaxHeap) Swap(i, j int) {
	h[i], h[j] = h[j], h[i]
}
func (h *MaxHeap) Push(x interface{}) {
	*h = append(*h, x.(int))
}