def build_heap(array: [], n: int):
for i in range(1, n):
parent_index = (i - 1) // 2
j = i
while j > 0 and array[j] > array[parent_index]:
array[j], array[parent_index] = array[parent_index], array[j]
j = parent_index
parent_index = (j - 1) // 2
def heap_sort(array: []):
for i in range(len(array) - 1, 0, -1):
build_heap(array, i + 1)
array[0], array[i] = array[i], array[0]
array = [7, 3, 0, 1, 5, 2, 5, 19, 10, 5]
heap_sort(array)
print(array)