Kelukin is a businessman. Every day, he travels around cities to do some business. On August 17th, in memory of a great man, citizens will read a book named "the Man Who Changed China". Of course, Kelukin wouldn't miss this chance to make money,…
COT - Count on a tree #tree 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 the following operation: u v k : ask for the kth minimum weight on the path from node u …
先说你看到的页面上,最重要的几个:[搜索商品]——这个功能,如果你有几千条商品,完全可以用select * from tableXX where title like %XX%这样的操作来搞定.但是——当你有10000000000(一百亿)条商品的时候,任何一个数据库都无法存放了,请问你怎么搜索?这里需要用到分布式的数据存储方案,另外这个搜索也不可能直接从数据库里来取数据,必然要用到搜索引擎(简单来说搜索引擎更快).好,能搜出商品了,是否大功告成可以啵一个了呢?早着呢,谁家的商品出现在第一页?这…
题目链接:http://poj.org/problem?id=3268 Silver Cow Party Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 19211 Accepted: 8765 Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow…
Season 1, Episode 13: End of the Tunnel -Fernando: The name is John Abruzzi. 名字是John Abruzzi A b r u z Z... A b r u z Z... I don't care what protocol is. protocol: 规程 care: 关心,在乎 管你什么规定 I just want to know if he's okay. 我只想知道他情况怎样 Hello? Hello? 喂? 喂?…
一个公园中有 n 个景点,景点之间通过无向的道路来连接,如果至少两个环公用一条路,路上的游客就会发生冲突:如果一条路不属于任何的环,这条路就没必要修 问,有多少路不必修,有多少路会发生冲突 每一个连通块中,如果边数大于点数,这个块中所有的边全部是冲突边. 所有桥为不需要修建的路. 通过这题学习点的双连通分量怎么求.强连通和双连通的题就做到这吧. #include <bits/stdc++.h> using namespace std; const int M = 200010; const i…