Основная функция main()
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@ -407,5 +407,98 @@ def plot_attempts_graphs(data, op_name, op_title):
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plt.savefig(f'{op_name}_5attempts.png', dpi=150)
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plt.show()
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print(f" График {op_name}_5attempts.png сохранён")
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def main():
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print("ЛАБОРАТОРНАЯ РАБОТА №1: СРАВНЕНИЕ СТРУКТУР ДАННЫХ")
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print("\n1. Генерация тестовых данных...")
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records = generate_records(N)
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random.shuffle(records)
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records_sorted = sorted(records, key=lambda x: x[0])
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print(f" Сгенерировано {N} записей")
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results = []
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struct_names = {'ll': 'Связный список', 'ht': 'Хеш-таблица', 'bst': 'Двоичное дерево'}
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mode_names = {'shuffled': 'случайный', 'sorted': 'отсортированный'}
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op_names = {'insert': 'Вставка всех записей', 'find': 'Поиск записей', 'delete': 'Удаление записей'}
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insert_data = {'ll': {}, 'ht': {}, 'bst': {}}
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search_data = {'ll': {}, 'ht': {}, 'bst': {}}
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delete_data = {'ll': {}, 'ht': {}, 'bst': {}}
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# Вставка
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print("\n2. Тестирование ВСТАВКИ (10000 записей):")
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for struct in ['ll', 'ht', 'bst']:
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print(f"\n {struct_names[struct]}:")
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times_sh = measure_insertion(struct, records)
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times_so = measure_insertion(struct, records_sorted)
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insert_data[struct]['shuffled'] = times_sh
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insert_data[struct]['sorted'] = times_so
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print(f" случайный: {[round(t,6) for t in times_sh]}, среднее = {sum(times_sh)/len(times_sh):.6f}")
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print(f" отсортированный: {[round(t,6) for t in times_so]}, среднее = {sum(times_so)/len(times_so):.6f}")
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results.append([struct_names[struct], mode_names['shuffled'], op_names['insert'], sum(times_sh)/len(times_sh)] + times_sh)
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results.append([struct_names[struct], mode_names['sorted'], op_names['insert'], sum(times_so)/len(times_so)] + times_so)
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# Поиск
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print("\n3. Тестирование ПОИСКА (110 запросов):")
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for struct in ['ll', 'ht', 'bst']:
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print(f"\n {struct_names[struct]}:")
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structure_sh = build_structure(struct, records)
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times_find_sh = measure_search(struct, structure_sh, records)
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search_data[struct]['shuffled'] = times_find_sh
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print(f" случайный: {[round(t,6) for t in times_find_sh]}, среднее = {sum(times_find_sh)/len(times_find_sh):.6f}")
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results.append([struct_names[struct], mode_names['shuffled'], op_names['find'], sum(times_find_sh)/len(times_find_sh)] + times_find_sh)
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structure_so = build_structure(struct, records_sorted)
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times_find_so = measure_search(struct, structure_so, records_sorted)
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search_data[struct]['sorted'] = times_find_so
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print(f" отсортированный: {[round(t,6) for t in times_find_so]}, среднее = {sum(times_find_so)/len(times_find_so):.6f}")
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results.append([struct_names[struct], mode_names['sorted'], op_names['find'], sum(times_find_so)/len(times_find_so)] + times_find_so)
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# Удаление
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print("\n4. Тестирование УДАЛЕНИЯ (50 записей):")
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for struct in ['ll', 'ht', 'bst']:
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print(f"\n {struct_names[struct]}:")
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times_del_sh = measure_deletion(struct, records)
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delete_data[struct]['shuffled'] = times_del_sh
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print(f" случайный: {[round(t,6) for t in times_del_sh]}, среднее = {sum(times_del_sh)/len(times_del_sh):.6f}")
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results.append([struct_names[struct], mode_names['shuffled'], op_names['delete'], sum(times_del_sh)/len(times_del_sh)] + times_del_sh)
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times_del_so = measure_deletion(struct, records_sorted)
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delete_data[struct]['sorted'] = times_del_so
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print(f" отсортированный: {[round(t,6) for t in times_del_so]}, среднее = {sum(times_del_so)/len(times_del_so):.6f}")
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results.append([struct_names[struct], mode_names['sorted'], op_names['delete'], sum(times_del_so)/len(times_del_so)] + times_del_so)
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# Сохранение CSV
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print("\n5. Сохранение результатов в CSV...")
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with open("phonebook_results.csv", "w", newline="", encoding="utf-8") as f:
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writer = csv.writer(f)
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writer.writerow(['Структура', 'Режим', 'Операция', 'Среднее', 'Замер1', 'Замер2', 'Замер3', 'Замер4', 'Замер5'])
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writer.writerows(results)
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print(" CSV-файл сохранён: phonebook_results.csv")
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# Сводная таблица
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print("СВОДНАЯ ТАБЛИЦА РЕЗУЛЬТАТОВ (средние значения)")
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print(f"{'Структура':<20} {'Режим':<15} {'Вставка(с)':<12} {'Поиск(с)':<12} {'Удаление(с)':<12}")
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print("-" * 70)
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for struct in ['ll', 'ht', 'bst']:
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for mode in ['shuffled', 'sorted']:
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ins_avg = sum(insert_data[struct][mode]) / REPEATS
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sea_avg = sum(search_data[struct][mode]) / REPEATS
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del_avg = sum(delete_data[struct][mode]) / REPEATS
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mode_rus = "случайный" if mode == 'shuffled' else "отсортированный"
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print(f"{struct_names[struct]:<20} {mode_rus:<15} {ins_avg:<12.6f} {sea_avg:<12.6f} {del_avg:<12.6f}")
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# Построение графиков
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print("\n6. Построение графиков...")
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try:
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plot_bar_charts(insert_data, search_data, delete_data)
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plot_attempts_graphs(insert_data, 'insert', 'Вставка')
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plot_attempts_graphs(search_data, 'search', 'Поиск')
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plot_attempts_graphs(delete_data, 'delete', 'Удаление')
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print("\n Все графики успешно сохранены!")
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except Exception as e:
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print(f" Ошибка при построении графиков: {e}")
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