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摘要: Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John has cooked fabulous 阅读全文
posted @ 2018-08-23 20:36 StarHai 阅读(173) 评论(0) 推荐(0) 编辑
摘要: Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhi 阅读全文
posted @ 2018-08-23 20:29 StarHai 阅读(237) 评论(0) 推荐(0) 编辑
摘要: As we all know, machine scheduling is a very classical problem in computer science and has been studied for a very long history. Scheduling problems d 阅读全文
posted @ 2018-08-22 21:50 StarHai 阅读(235) 评论(0) 推荐(0) 编辑
摘要: 小希和Gardon在玩一个游戏:对一个N*M的棋盘,在格子里放尽量多的一些国际象棋里面的“车”,并且使得他们不能互相攻击,这当然很简单,但是Gardon限制了只有某些格子才可以放,小希还是很轻松的解决了这个问题(见下图)注意不能放车的地方不影响车的互相攻击。 所以现在Gardon想让小希来解决一个更 阅读全文
posted @ 2018-08-22 21:47 StarHai 阅读(259) 评论(0) 推荐(0) 编辑
摘要: 传说在遥远的地方有一个非常富裕的村落,有一天,村长决定进行制度改革:重新分配房子。 这可是一件大事,关系到人民的住房问题啊。村里共有n间房间,刚好有n家老百姓,考虑到每家都要有房住(如果有老百姓没房子住的话,容易引起不安定因素),每家必须分配到一间房子且只能得到一间房子。 另一方面,村长和另外的村领 阅读全文
posted @ 2018-08-22 21:42 StarHai 阅读(264) 评论(0) 推荐(0) 编辑
摘要: There are a group of students. Some of them may know each other, while others don't. For example, A and B know each other, B and C know each other. Bu 阅读全文
posted @ 2018-08-22 21:39 StarHai 阅读(213) 评论(0) 推荐(0) 编辑
摘要: N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each 阅读全文
posted @ 2018-08-22 21:34 StarHai 阅读(321) 评论(0) 推荐(0) 编辑
摘要: A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have different h 阅读全文
posted @ 2018-08-22 21:29 StarHai 阅读(277) 评论(0) 推荐(0) 编辑
摘要: Cerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams everywhere. Now, Ce 阅读全文
posted @ 2018-08-22 21:19 StarHai 阅读(326) 评论(0) 推荐(0) 编辑
摘要: There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) on every floor.The lift have just two 阅读全文
posted @ 2018-08-22 21:15 StarHai 阅读(184) 评论(0) 推荐(0) 编辑
摘要: You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria i 阅读全文
posted @ 2018-08-22 21:12 StarHai 阅读(611) 评论(0) 推荐(0) 编辑
摘要: Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pair li and ri and asks you to count the 阅读全文
posted @ 2018-08-19 23:06 StarHai 阅读(245) 评论(0) 推荐(0) 编辑
摘要: 维护一个序列,要求支持下列2种操作: add a b c:区间[a,b]中每个数加上c count a b:查询区间[a,b]中有多少数是k的倍数(k为给定常数) 维护一个序列,要求支持下列2种操作: add a b c:区间[a,b]中每个数加上c count a b:查询区间[a,b]中有多少数 阅读全文
posted @ 2018-08-19 22:56 StarHai 阅读(290) 评论(0) 推荐(0) 编辑
摘要: 给你N个数,有两种操作 1:给区间[a,b]内的所有数都增加X 2:询问区间[a,b]能被7整除的个数 输入描述 Input Description 第一行一个正整数n,接下来n行n个整数,再接下来一个正整数Q,表示操作的个数. 接下来Q行每行若干个整数。如果第一个数是add,后接3个正整数a,b, 阅读全文
posted @ 2018-08-19 22:42 StarHai 阅读(492) 评论(0) 推荐(0) 编辑
摘要: 有n个数和5种操作 add a b c:把区间[a,b]内的所有数都增加c set a b c:把区间[a,b]内的所有数都设为c sum a b:查询区间[a,b]的区间和 max a b:查询区间[a,b]的最大值 min a b:查询区间[a,b]的最小值 有n个数和5种操作 add a b 阅读全文
posted @ 2018-08-18 20:07 StarHai 阅读(258) 评论(0) 推荐(0) 编辑
摘要: Now you get a number N, and a M-integers set, you should find out how many integers which are small than N, that they can divided exactly by any integ 阅读全文
posted @ 2018-08-18 20:01 StarHai 阅读(282) 评论(0) 推荐(0) 编辑
摘要: Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets on that day, no matter how 阅读全文
posted @ 2018-08-18 19:58 StarHai 阅读(243) 评论(0) 推荐(0) 编辑
摘要: 小L正在组织acm暑假集训,但众所周知,暑假集训的萌新中有OI神犇,也有暑假才开始学算法的萌新,如果统一集训的难度,无法很好地让萌新们得到训练,所以小L想了一个办法,根据每次测试的情况,改变萌新们的集训难度。现在将萌新们编号为1到n,最初萌新们的集训难度为v0,测试后有两种操作,第一种是某一区间的萌 阅读全文
posted @ 2018-08-18 19:55 StarHai 阅读(212) 评论(0) 推荐(0) 编辑
摘要: Description Wells最近经常做一些有皮神出现的梦。 在这一次梦中Wells把皮神(Pikachu)弄丢了,Wells在一个正 N 边形区域的中心开始自闭,Wells想找回皮神,同时皮神也在尝试找回Wells。 皮神为了确保不会找不到Wells,皮神在正 NN 边形最外围的每个顶点上都放 阅读全文
posted @ 2018-08-18 19:53 StarHai 阅读(248) 评论(0) 推荐(0) 编辑
摘要: 小t非常感谢大家帮忙解决了他的上一个问题。然而病毒侵袭持续中。在小t的不懈努力下,他发现了网路中的“万恶之源”。这是一个庞大的病毒网站,他有着好多好多的病毒,但是这个网站包含的病毒很奇怪,这些病毒的特征码很短,而且只包含“英文大写字符”。当然小t好想好想为民除害,但是小t从来不打没有准备的战争。知己 阅读全文
posted @ 2018-08-15 20:22 StarHai 阅读(289) 评论(0) 推荐(0) 编辑
摘要: You are in a cave, a long cave! The cave can be represented by a 1 x N grid. Each cell of the cave can contain any amount of gold. Initially you are i 阅读全文
posted @ 2018-08-15 20:15 StarHai 阅读(145) 评论(0) 推荐(0) 编辑
摘要: You are in a maze; seeing n doors in front of you in beginning. You can choose any door you like. The probability for choosing a door is equal for all 阅读全文
posted @ 2018-08-15 20:13 StarHai 阅读(254) 评论(0) 推荐(0) 编辑
摘要: 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=6356 Glad You Game Steve has an integer array aa of length nn (1-based). He assigned all the elements a 阅读全文
posted @ 2018-08-15 16:52 StarHai 阅读(422) 评论(0) 推荐(0) 编辑
摘要: 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=6315 In a galaxy far, far away, there are two integer sequence a and b of length n. b is a static permu 阅读全文
posted @ 2018-08-15 15:01 StarHai 阅读(299) 评论(0) 推荐(0) 编辑
摘要: You are given an array aa consisting of nn integers, and qq queries to it. ii-th query is denoted by two integers lili and riri. For each query, you h 阅读全文
posted @ 2018-08-15 12:20 StarHai 阅读(352) 评论(0) 推荐(0) 编辑
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