MissZhou要努力

DescriptionI am the bone of my sword. Steel is my body, and the fire is my blood.- from Fate / Stay Night You must have known the legend of King Arthur and his knights of the round table. Th

DescriptionTom has received a lot of tasks from his boss, which are boring to deal with by hand. Fortunately,Tom got a special machine - Advanced Computing Machine (ACM) to help him.ACM works in a

Problem DescriptionThe city is so crowded that the mayor can't bear any longer. He issued an order to change all the roads into one-way street. The news is terrible for Jack, who is the director of

Input输入含有一些选手群，每群选手都以一个整数n(n Output对于每个选手群，若你判断出产生了冠军，则在一行中输出“Yes”，否则在一行中输出“No”。只是需要判断冠军嘛STL是个好东西啊·~set自动判重#include#include#include#includeusing namespace std;in

InputOne line with two integers n and m ,stands for the number of works and the number of demands .(nthen m lines ,each line contains two integers a and b ,stands for a's reward should be more tha

这个题比普通的LCA只多了一个求距离，然后就把我华丽丽的困住了==当然了，我用的LCA是离线版的并查集那种模板是邝斌的那种，LCA 不难理解，就是dfs树+并查集 ，但是距离加在哪里？？机智如我想到了在递归的时候求~然而写进去还找错位置了，原因在于应该写成dis[v]=dis[u]+edge[i].len;而不是dis[v]+=edge[i].len;然后就是距离的求法dis[u] +

SubmitStatusDescriptionA network administrator manages a large network. The network consists of N computers and M links between pairs of computers. Any pair of computers are connected directly

DescriptionAnt Country consist of N towns.There are M roads connecting the towns.Ant Tony,together with his friends,wants to go through every part of the country.They intend to visit e

Input输入有若干组，每组中的第一行为二个数N（1 Output给出一个符合要求的排名。输出时队伍号之间有空格，最后一名后面没有空格。其他说明：符合条件的排名可能不是唯一的，此时要求输出时编号小的队伍在前；输入数据保证是正确的，即输入数据确保一定能有一个符合要求的排名。 开始想难了XD，还一个劲儿研究怎么套该死的前向星模板 然而一个while套两个fo

那可是D题啊@。@ 做不上我心安了http://acm.hust.edu.cn/vjudge/contest/view.action?cid=88120#problem/BDescriptionWhile dad was at work, a little girl Tanya decided to play with dad's password to his s

题目DescriptionYou are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a straight line such that the colors of

DescriptionSome of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is no other way to open the doors, the puzz

LCA比较基础的题，而且貌似自己的代码只是MLE而已，结果没问题 ，而且也只是超了一点~mark一下别人过的2168MS21700K2458B#include #include #include #include #include #include #include #include #include #include #

10628. Count on a treeProblem code: COT You are given a tree with N nodes.The tree nodes are numbered from 1 to N.Each node has an integer weight.We will ask you to perform t

折腾了将近两个小时总算在discuess的只言片语中知道自己错在哪里了，怎么说也是没参考别人代码A的，但是思维严谨性啊……自己写测试数据！自己好好读题！1.题中有一句特别坑爹的话：For each test case output on a single line the balls' weights from label 1 to labelN. 输出的是这个数字所在的位置 ，不是这个位

题目转不过来：点击打开链接这个题真是万万没想到是拓扑排序啊啊啊，以为和之前有一个变换质数的题一样是深搜==挑了半天没看出来哪里错了⊙﹏⊙b汗先说拓扑排序是什么来着，这也是扔了几乎半年的知识点==，通过找连着的边，让点的入度减少，入度为0的点入队列，从而形成一条可行路径==这题是白书训练指南310页的例题，“连续和转化为前缀之和”这个性质我想到了，但是没想到正负号就可以确定前后两个前缀和从而在拓

DescriptionUsually children in kindergarten like to quarrel with each other. This situation annoys the child-care women. For instant, when diner time comes, a fierce conflict may break out when a

Problem DescriptionTeacher Mai has a kingdom consisting of n cities. He has planned the transportation of the kingdom. Every pair of cities has exactly a one-way road.He wants develop this kingd