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refactor: Follow the PEP 585 Typing standard (#439)

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* Follow the PEP 585 Typing standard

* Update list.py
This commit is contained in:
Yudong Jin
2023-03-23 18:51:56 +08:00
committed by GitHub
parent f4e01ea32e
commit 8918ec9079
43 changed files with 256 additions and 342 deletions
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11
codes/python/chapter_heap/heap.py
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@@ -4,18 +4,19 @@ Created Time: 2023-02-23
Author: Krahets (krahets@163.com)
"""
import sys
import os.path as osp
import sys, os.path as osp
sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
from modules import *
import heapq
def test_push(heap: List, val: int, flag: int = 1) -> None:
def test_push(heap: list, val: int, flag: int = 1) -> None:
heapq.heappush(heap, flag * val) # 元素入堆
print(f"\n元素 {val} 入堆后")
print_heap([flag * val for val in heap])
def test_pop(heap: List, flag: int = 1) -> None:
def test_pop(heap: list, flag: int = 1) -> None:
val = flag * heapq.heappop(heap) # 堆顶元素出堆
print(f"\n堆顶元素 {val} 出堆后")
print_heap([flag * val for val in heap])
@@ -59,7 +60,7 @@ if __name__ == "__main__":
""" 输入列表并建堆 """
# 时间复杂度为 O(n) ，而非 O(nlogn)
min_heap: List[int] = [1, 3, 2, 5, 4]
min_heap: list[int] = [1, 3, 2, 5, 4]
heapq.heapify(min_heap)
print("\n输入列表并建立小顶堆后")
print_heap(min_heap)