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binary_search_tree and avl_tree.
This commit is contained in:
Yudong Jin
2023-01-17 01:53:12 +08:00
parent 8e2e95a511
commit 2336fe1d50
14 changed files with 70 additions and 68 deletions
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11
codes/python/chapter_tree/binary_search_tree.py
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@ -37,10 +37,10 @@ class BinarySearchTree:
cur = self.root
# 循环查找，越过叶结点后跳出
while cur is not None:
# 目标结点在 root 的右子树中
# 目标结点在 cur 的右子树中
if cur.val < num:
cur = cur.right
# 目标结点在 root 的左子树中
# 目标结点在 cur 的左子树中
elif cur.val > num:
cur = cur.left
# 找到目标结点，跳出循环
@ -64,10 +64,11 @@ class BinarySearchTree:
if cur.val == num:
return None
pre = cur
if cur.val < num: # 插入位置在 root 的右子树中
# 插入位置在 cur 的右子树中
if cur.val < num:
cur = cur.right
else: # 插入位置在 root 的左子树中
# 插入位置在 cur 的左子树中
else:
cur = cur.left
# 插入结点 val