93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
import random, time, csv
|
||
N = []
|
||
|
||
for n in range(10000): # вот сначала просят сгенерировать а потом 100 гарантированных имён ну ёмаё💀💀💀
|
||
i = random.randint(1,99999)
|
||
p = random.randint(10000000, 99999999)
|
||
N.append((f"User_{i:05d}", str(p))) # как в примере кортежики брбрбр
|
||
|
||
#короче тупо в лоб, там всё равно вставка списка повторы не допускает (ну телефон обновится)
|
||
for i in range(100):
|
||
N.append((f"User_{i:05d}", str(f'{i:08d}')))
|
||
|
||
def ll_insert(head, name, phone):
|
||
|
||
data = {'name' : name, 'phone' : phone, "next" : None}
|
||
|
||
if head is None:
|
||
return data
|
||
current = head
|
||
while current:
|
||
if current['name'] == name:
|
||
current['phone'] = phone
|
||
return head
|
||
if current['next'] == None:
|
||
last = current
|
||
current = current['next'] # везде где такое это изменение текущей строки на следующую через ссылку в нексте
|
||
|
||
last['next'] = data
|
||
return head
|
||
|
||
|
||
def ll_find(head, name):
|
||
current = head
|
||
while current:
|
||
if current['name'] == name:
|
||
return current['phone']
|
||
current = current['next']
|
||
return None
|
||
|
||
def ll_delete(head, name):
|
||
if head is None:
|
||
return None
|
||
prev = head
|
||
current = head['next']
|
||
while current:
|
||
if current['name'] == name:
|
||
prev['next'] = current['next']
|
||
return head
|
||
prev = current
|
||
current = current['next']
|
||
return head
|
||
|
||
def ll_list_all(head):
|
||
data_list = []
|
||
|
||
current = head
|
||
while current:
|
||
data_list.append({'name' : current['name'], 'phone' : current['phone']})
|
||
current = current['next']
|
||
|
||
data_list.sort(key=lambda x: x['name']) # честно украдено со стака оверфлоу и не понял что такое лямбда я устал читать
|
||
return data_list
|
||
|
||
#1 - вставка списка
|
||
start_time = time.perf_counter()
|
||
data_unsorted = None
|
||
for name, phone in N:
|
||
data_unsorted = ll_insert(data_unsorted, name, phone)
|
||
end_time = time.perf_counter()
|
||
elapsed_time_1_1 = end_time - start_time
|
||
|
||
start_time = time.perf_counter()
|
||
data_sorted = ll_list_all(data_unsorted)
|
||
end_time = time.perf_counter() # правильно ли я сделал? навряд-ли
|
||
elapsed_time_1_2 = end_time - start_time
|
||
|
||
#2 - по поиску
|
||
start_time = time.perf_counter()
|
||
for i in range(100):
|
||
ll_find(data_unsorted, f'User_{i:05d}')
|
||
for i in range(10):
|
||
ll_find(data_unsorted, f'None_{i:05d}')
|
||
end_time = time.perf_counter()
|
||
elapsed_time_2_1 = end_time - start_time
|
||
|
||
start_time = time.perf_counter()
|
||
for i in range(100):
|
||
ll_find(data_sorted, f'User_{i:05d}')
|
||
for i in range(10):
|
||
ll_find(data_sorted, f'None_{i:05d}')
|
||
end_time = time.perf_counter()
|
||
elapsed_time_2_2 = end_time - start_time
|