[题目链接]:http://codeforces.com/contest/792/problem/D [题意] 给你一棵满二叉树; 给你初始节点; 给你若干个往上走,左走,右走操作; 让你输出一系列操作结束之后节点的位置; [题解] 这个节点的标志方式类似树状数组; 用树状数组左走右走就好; L->x-=lowbit(x)/2; R->x+=lowbit(x)/2; U->先假设x是左儿子,然后依照规则求出父亲F,然后看看F的左儿子是不是真的是x,是的话爸爸就是F,否则x是右儿子,然后根…

Description You are given a positive integer n. Let's build a graph on vertices 1, 2, ..., n in such a way that there is an edge between vertices u and v if and only if gcd(u,v)≠1. Let d(u, v) be the shortest distance between u and v, or 0 if there i…

#include<cstdio> #include<iostream> #define lowbit(x) x&(-x) typedef long long ll; using namespace std; ll n,q,num,root;string s; int main() { scanf("%I64d%I64d",&n,&q); root=(n+)/; ;q_i<=q;q_i++) { cin>>num>&…

#-*- coding: UTF-8 -*- # Definition for a binary tree node.# class TreeNode(object):#     def __init__(self, x):#         self.val = x#         self.left = None#         self.right = Noneclass Solution(object):    depthList=[]    def minDepth(self, r…

题目描述 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.Given any two nodes in a binary tree, you are supposed to find their LCA. 最小共同祖先(LCA)是一棵树中两个节点U和V最深的那个公共父节点.要求给一棵树,以及两个节点,请你…

[codeforces 415D]Mashmokh and ACM 题意:美丽数列定义:对于数列中的每一个i都满足:arr[i+1]%arr[i]==0 输入n,k(1<=n,k<=2000),问满足[数列长度是k && 数列中每一个元素arr[i]在1~n之间 && 数列中元素可以重复]的数列有多少个?结果对10^9+7取余 解题思路:dp[i][j]表示长度是j,最后一位是i的种数 if(kk%i==0) dp[kk][j+1]+=dp[i][j] #inc…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤) which is the total number of nodes in the tree -- and he…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址: https://leetcode.com/problems/complete-binary-tree-inserter/description/ 题目描述 A complete binary tree is a binary tree in which every level, except possibly the last, i…

[LeetCode]297. Serialize and Deserialize Binary Tree 解题报告(Python) 标签: LeetCode 题目地址:https://leetcode.com/problems/serialize-and-deserialize-binary-tree/description/ 题目描述: Serialization is the process of converting a data structure or object into a se…

[LeetCode]662. Maximum Width of Binary Tree 解题报告(Python) 标签(空格分隔): LeetCode 题目地址:https://leetcode.com/problems/maximum-width-of-binary-tree/description/ 题目描述: Given a binary tree, write a function to get the maximum width of the given tree. The width…

1110. Complete Binary Tree (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, th…

A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible. Write a data structure CBTInserter that is initialized with a complete binary tree and supports t…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=20) which is the total number of nodes in the tree -- and…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total number of nodes in the tree -- and…

https://pintia.cn/problem-sets/994805342720868352/problems/994805359372255232 Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a p…

1110 Complete Binary Tree (25 分) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total nu…

1110. Complete Binary Tree (25) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=20) which is the total nu…

1110 Complete Binary Tree(25 分) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total num…

1110 Complete Binary Tree (25 分) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total nu…

1110 Complete Binary Tree (25)(25 分) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=20) which is the tot…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=20) which is the total number of nodes in the tree -- and…

此文章同步发布在CSDN上:https://blog.csdn.net/weixin_44385565/article/details/90317830   1110 Complete Binary Tree (25 分)   Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total number of nodes in the tree -- and…

Source: PAT A1110 Complete Binary Tree (25 分) Description: Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (…

A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible. Write a data structure CBTInserter that is initialized with a complete binary tree and supports t…

原题链接在这里:https://leetcode.com/problems/complete-binary-tree-inserter/ 题目: A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible. Write a data structure C…

Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤) which is the total number of nodes in the tree -- and he…

题目 Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=20) which is the total number of nodes in the tree - a…

[题目链接]:http://codeforces.com/problemset/problem/716/D [题意] 给你一张图; 这张图上有一些边的权值未知; 让你确定这些权值(改成一个正整数) 使得s到t的最短路恰好为L [题解] 首先; 算出两个值 temp1->所有的未知边的权值都为1->算出s到t的最短路; temp2->所有的未知边的权值都为INF->算出s到t的最短路; 则必须要有 temp1<=L<=temp2 否则无解; 明白这个之后; 为每一个未知的…

time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Professor GukiZ is concerned about making his way to school, because massive piles of boxes are blocking his way. In total there are n piles of…