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fix: compiler error and reset root (#570)

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This commit is contained in:
nuomi1
2023-06-30 05:05:07 +08:00
committed by GitHub
parent be8912073e
commit 9611a8f135
2 changed files with 3 additions and 3 deletions
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4
codes/swift/chapter_tree/binary_search_tree.swift
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@ -123,7 +123,7 @@ class BinarySearchTree {
// 当子节点数量 = 0 / 1 时， child = null / 该子节点
let child = cur?.left != nil ? cur?.left : cur?.right
// 删除节点 cur
if cur != root {
if cur !== root {
if pre?.left === cur {
pre?.left = child
} else {
@ -131,7 +131,7 @@ class BinarySearchTree {
}
} else {
// 若删除节点为根节点，则重新指定根节点
root = cur;
root = child
}
}
// 子节点数量 = 2