发表评论取消回复
相关阅读
相关 1127 ZigZagging on a Tree (30 分) 后序和中序遍历建树后输出Z字形层次遍历
127 ZigZagging on a Tree (30 分) Suppose that all the keys in a binary tree are disti...
相关 1372. Longest ZigZag Path in a Binary Tree
You are given the `root` of a binary tree. A ZigZag path for a binary tree is defined a
相关 PAT甲级7-4 1127 ZigZagging on a Tree (30分)
[1127 ZigZagging on a Tree (30分)][1127 ZigZagging on a Tree _30] Suppose that all the
相关 1099. Build A Binary Search Tree (30)
A Binary Search Tree (BST) is recursively defined as a binary tree which has the followi
相关 1123. Is It a Complete AVL Tree (30)
An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the t
相关 1127. ZigZagging on a Tree (30)
Suppose that all the keys in a binary tree are distinct positive integers. A unique bina
相关 (PAT 1127) ZigZagging on a Tree (二叉树建立+层序遍历)
Suppose that all the keys in a binary tree are distinct positive integers. A unique bina
相关 1151 LCA in a Binary Tree (30 分)
The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that
相关 SPOJ Count on a tree II
题意:给定一个n个节点的树,每个节点表示一个整数,问u到v的路径上有多少个不同的整数。 分析:树上莫队模板题,利用欧拉序将树上路径转化为序列,注意我们询问的区间长度为2
相关 [AGC025E]Walking on a Tree
题意:有一棵树,你要按顺序在树上走$m$次,每次从$u\_i$到$v\_i$或从$v\_i$到$u\_i$,走完后,如果一条边被单向经过,那么它贡献$1$的价值,如果一条边被双
还没有评论,来说两句吧...