Are you interested in pets? There is a very famous pets shop in the center of the ACM city. There are totally m pets in the shop, numbered from 1 to m. One day, there are n customers in the shop, which are numbered from 1 to n. In order to sell pets…

Description Are you interested in pets? There is a very famous pets shop in the center of the ACM city. There are totally m pets in the shop, numbered from 1 to m. One day, there are n customers in the shop, which are numbered from 1 to n. In order t…

题目描述 在梦境中,Alice来到了火星.不知为何,转眼间Alice被任命为火星能源部长,并立刻面临着一个严峻的考验. 为了方便,我们可以将火星抽象成平面,并建立平面直角坐标系.火星上一共有N个居民点.每个居民点认为是平面上的一个点.第i个居民点的坐标为(Xi, Yi),对能源的需求量为Poweri.每个居民点消耗的能源由它附近的发电站提供.由于技术原因,一个居民点消耗的所有能源必须来自同一座发电站.自人类移民火星之初,政府就有一个规模宏大的发电站建设计划.按照这个计划,政府将在火星上建立M座发…

哈哈, 我又来啦, 在这一段时间里, 我简单的学习了一下javascript(JS), 虽然不是很懂啦, 但是我也简单的尝试着做了点小东西, 就比如现在流行的瀑布流效果, 经过我的努力终于成功的完成了, 虽然中间非常的坎坷, 并不是一帆风顺但是最终我还是实现了个简单的效果, 下面就为大家简单的介绍下, 不知道的友友们, 有兴趣的话, 可以来参考下, 欢迎指出缺点和不足! 一.瀑布流之准备工作   首先声明下, 为了方便演示和联系, 我使用的是本地图片, 如果大家有需要的话可以尝试着写下网络的,…

POJ 1459 Power Network / HIT 1228 Power Network / UVAlive 2760 Power Network / ZOJ 1734 Power Network / FZU 1161 (网络流,最大流) Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A…

题目来源 P3376 [模板]网络最大流 P2756 飞行员配对方案问题 P3381 [模板]最小费用最大流 最大流 最大流问题是网络流的经典类型之一,用处广泛,个人认为网络流问题最具特点的操作就是建反向边,这样相当于给了反悔的机会,不断地求增广路的,最终得到最大流 #include<iostream> #include<cstdio> #include<algorithm> #include<cstring> #include<queue> #…

Going Home Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 22088   Accepted: 11155 Description On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertica…

Going Home Description On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to an adjacent point. For each little man, you need to pay a $1 travel fee for e…

3308: 九月的咖啡店 Time Limit: 30 Sec  Memory Limit: 128 MBSubmit: 244  Solved: 86 Description 深绘里在九份开了一家咖啡让,如何调配咖啡民了她每天的头等大事我们假设她有N种原料,第i种原料编号为i,调配一杯咖啡则需要在这里若干种兑在一起.不过有些原料不能同时在一杯中,如果两个编号为i,j的原料,当且仅当i与j互质时,才能兑在同一杯中.现在想知道,如果用这N种原料来调同一杯咖啡,使用的原料编号之和最大可为多少. In…

Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3558    Accepted Submission(s): 1158 Problem Description Presumably, you all have known the question of stable marriage match. A…