题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4311 解题报告:在一个平面上有 n 个点,求一个点到其它的 n 个点的距离之和最小是多少. 首先不得不说一下做这道题囧的事,杭电用的是__int64,我前面定义的时候用的是__int64,然后后面输出结果的时候格式控制符竟然用了%lld,还小卡了一会,唉,大意了啊. 然后感觉这题好巧妙,做法是将 x 与 y的距离分开求,我也是看了学长博客之后才懂的http://www.cnblogs.com/Lyu
Road Construction Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10141 Accepted: 5031 Description It's almost summer time, and that means that it's almost summer construction time! This year, the good people who are in charge of the r
题目: 题目背景 161114-练习-DAY1-AHSDFZ T2 题目描述 有 N 辆列车,标记为 1,2,3,…,N.它们按照一定的次序进站,站台共有 K 个轨道,轨道遵从先进先出的原则.列车进入站台内的轨道后可以等待任意时间后出站,且所有列车不可后退.现在要使出站的顺序变为 N,N-1,N-2,…,1,询问 K 的最小值是多少.
Marriage Match IV 题目链接: http://acm.hust.edu.cn/vjudge/contest/122685#problem/Q Description Do not sincere non-interference. Like that show, now starvae also take part in a show, but it take place between city A and B. Starvae is in city A and girls a
例如student表: studentID studentName studentScore 01 Alice 90 02 Bill 95 03 Cindy 100 一.拼接多个字段的值 select studentID+‘-’+studentName+'-'+studentScore AS studentInfo from student 结果: 二.一个字段多条记录的拼接 select stuff((select '|'+studentName from student for xm