algorithm/hello-algo
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krahets
2023-10-27 01:01:21 +08:00
parent 3628b40f44
commit 5b1a219b8b
4 changed files with 7 additions and 11 deletions
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6
codes/cpp/chapter_tree/array_binary_tree.cpp
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@ -115,9 +115,9 @@ int main() {
int i = 1;
int l = abt.left(i), r = abt.right(i), p = abt.parent(i);
cout << "\n当前节点的索引为 " << i << "，值为 " << abt.val(i) << "\n";
cout << "其左子节点的索引为 " << l << "，值为 " << (l != INT_MAX ? to_string(abt.val(l)) : "None") << "\n";
cout << "其右子节点的索引为 " << r << "，值为 " << (r != INT_MAX ? to_string(abt.val(r)) : "None") << "\n";
cout << "其父节点的索引为 " << p << "，值为 " << (p != INT_MAX ? to_string(abt.val(p)) : "None") << "\n";
cout << "其左子节点的索引为 " << l << "，值为 " << (l != INT_MAX ? to_string(abt.val(l)) : "nullptr") << "\n";
cout << "其右子节点的索引为 " << r << "，值为 " << (r != INT_MAX ? to_string(abt.val(r)) : "nullptr") << "\n";
cout << "其父节点的索引为 " << p << "，值为 " << (p != INT_MAX ? to_string(abt.val(p)) : "nullptr") << "\n";
// 遍历树
vector<int> res = abt.levelOrder();

3
codes/cpp/utils/tree_node.hpp
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@ -74,12 +74,11 @@ vector<int> treeToVecor(TreeNode *root) {
return res;
}
/* Free the memory allocated to a tree */
/* 释放二叉树内存 */
void freeMemoryTree(TreeNode *root) {
if (root == nullptr)
return;
freeMemoryTree(root->left);
freeMemoryTree(root->right);
// 释放内存
delete root;
}

4
codes/python/chapter_tree/array_binary_tree.py
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@ -92,9 +92,9 @@ if __name__ == "__main__":
arr = [1, 2, 3, 4, None, 6, 7, 8, 9, None, None, 12, None, None, 15]
root = list_to_tree(arr)
print("\n初始化二叉树\n")
print(f"二叉树的数组表示：")
print("二叉树的数组表示：")
print(arr)
print(f"二叉树的链表表示：")
print("二叉树的链表表示：")
print_tree(root)
# 数组表示下的二叉树类