| from submission import flatten_list, char_count
|
| import time
|
| import random
|
|
|
| def generate_random_list(elements,depth):
|
| if depth == 0 or len(elements) == 1:
|
| return elements[0] if len(elements) == 1 else elements
|
| else:
|
| split_point = random.randint(1, len(elements) - 1)
|
| left_part = elements[:split_point]
|
| right_part = elements[split_point:]
|
|
|
| return [generate_random_list(left_part, depth - 1), generate_random_list(right_part, depth - 1)]
|
| def create_random_list(total_elements, max_depth):
|
|
|
| elements = [random.randint(0, 100) for _ in range(total_elements)]
|
|
|
|
|
| return generate_random_list(elements, random.randint(0, max_depth))
|
|
|
| def flatten_complexity():
|
| print("Complexity of flatten_list function:")
|
| for list_length in [1000, 10000, 100000, 1000000, 10000000]:
|
| average_time = 0
|
| for _ in range(1,20):
|
| mullist = create_random_list(list_length, 10)
|
| begin = time.perf_counter()
|
| flatten_list(mullist)
|
| end = time.perf_counter()
|
| average_time += end - begin
|
| average_time /= 20
|
| print("list_length = {}.".format(list_length))
|
| print("The runnining time = {}.".format(end - begin))
|
|
|
| def char_count_complexity():
|
| print("Complexity of char_count function:")
|
| for string_length in [1000, 10000, 100000, 1000000, 10000000]:
|
| average_time = 0
|
| for _ in range(1,20):
|
| s = ''.join([chr(random.randint(97, 122)) for _ in range(string_length)])
|
| begin = time.perf_counter()
|
| char_count(s)
|
| end = time.perf_counter()
|
| average_time += end - begin
|
| average_time /= 20
|
| print("string_length = {}.".format(string_length))
|
| print("The runnining time = {}.".format(end - begin))
|
|
|
| def main():
|
|
|
| char_count_complexity()
|
|
|
| if __name__ == "__main__":
|
| main() |
