HDUOJ---1213How Many Tables

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HDU——1213How Many Tables（并查集按秩合并）

J - How Many Tables Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You…

【HDUOJ】1213 How many tables

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1213 题意:Ignatius邀请了n个朋友来家里,朋友之间如果互相不认识的不想坐一起,所以至少要准备几张桌子. 题解:啊.裸题.直接输入join一下,然后最后统计同父亲有多少个就行. 代码: #include<iostream> #include<cstdio> using namespace std; ; int f[maxn]; void init(int n){ ; i <…

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SAP使用PERFORM的时候: ... [TABLES itab1 itab2 ...] [USING a1 a2 ...] [CHANGING a1 a2 ...]. Extras: 1. ... TABLES itab1 itab2 ... 2. ... USING a1 a2 ... 3. ... CHANGING a1 a2 ... 三者顺序不可颠倒.…

Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one SQL statement

Is there any way in which I can clean a database in SQl Server 2005 by dropping all the tables and deleting stored procedures, triggers, constraints and all the dependencies in one SQL statement? REASON FOR REQUEST: I want to have a DB script for cle…

mysqldump: Got error: 1142: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'accounts' when using LOCK TABLES

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