The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a nod…

1143 Lowest Common Ancestor(30 分)The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following prop…

题目 The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following properties: The lef subtree of a n…

1143 Lowest Common Ancestor(30 分) The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following pro…

The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a nod…

The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a nod…

The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a nod…

  Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined between two nodes v and w as the lowest node in T that ha…

L3-010. 是否完全二叉搜索树 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 陈越 将一系列给定数字顺序插入一个初始为空的二叉搜索树(定义为左子树键值大,右子树键值小),你需要判断最后的树是否一棵完全二叉树,并且给出其层序遍历的结果. 输入格式: 输入第一行给出一个不超过20的正整数N:第二行给出N个互不相同的正整数,其间以空格分隔. 输出格式: 将输入的N个正整数顺序插入一个初始为空的二叉搜索树.在第一行中输出结果树的层序…

L3-010. 是否完全二叉搜索树 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 陈越 将一系列给定数字顺序插入一个初始为空的二叉搜索树(定义为左子树键值大,右子树键值小),你需要判断最后的树是否一棵完全二叉树,并且给出其层序遍历的结果. 输入格式: 输入第一行给出一个不超过20的正整数N:第二行给出N个互不相同的正整数,其间以空格分隔. 输出格式: 将输入的N个正整数顺序插入一个初始为空的二叉搜索树.在第一行中输出结果树的层序…