lesson_1 #1259
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| """ | ||
| lst_to_set = set(lst_obj) # !!! | ||
| lst_to_set = set(lst_obj) # O(1) |
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неверно, здесь линейная, посмотрите пример
| for j in range(len(lst_obj)): # O(n^2) | ||
| if lst_obj[j] in lst_obj[j+1:]: # O(n) | ||
| return False # O(1) | ||
| return True # O(1) |
| for i in range(len(lst_obj) - 1): # O(n) | ||
| if lst_copy[i] == lst_copy[i+1]: # O(1) | ||
| return False # O(1) | ||
| return True # O(1) |
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| def min_numb(numb): | ||
| res = numb[8] #можно указать любое число, так как он перебирает весь список | ||
| for i in numb: |
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| #Быстрее вариант 1 : O(n) - проще и быстрее в данном примере (объёме). | ||
| #Вариант 2 и уступает O(n) на небольших объёмах и при увеличении вводимых данных уступает варианту 3 | ||
| #Вариант 3 O(n log n) масштабируемый и при бОльших объёмах будет одинакого оперативно выдавать результат |
| print(pal_checker("Лёша на полке клопа нашёл")) | ||
| print(pal_checker("Аргентина манит негра")) | ||
| print(pal_checker('Молебен о коне Белом')) | ||
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