2017年11月22日
hdu 1281 棋盘游戏 二分图匹配；
摘要： 棋盘游戏小希和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... 阅读全文
posted @ 2017-11-22 11:16 _大美 阅读(156) 评论(0) 推荐(0) 编辑
hdu 1829 A Bug's Life
摘要： A Bug's Life Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17246 Accepte... 阅读全文
posted @ 2017-11-22 10:56 _大美 阅读(102) 评论(0) 推荐(0) 编辑
hdu 1083 Courses最大匹配
摘要： Courses Consider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determin... 阅读全文
posted @ 2017-11-22 10:50 _大美 阅读(138) 评论(0) 推荐(0) 编辑
hdu 2444 The Accomodation of Students
摘要： The Accomodation of StudentsThere are a group of students. Some of them may know each other, while others don't. For example, A and B ... 阅读全文
posted @ 2017-11-22 10:45 _大美 阅读(113) 评论(0) 推荐(0) 编辑
2017年11月15日
codeforces 888C K-Dominant Character
摘要： C. K-Dominant Charactertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are g... 阅读全文
posted @ 2017-11-15 11:14 _大美 阅读(186) 评论(0) 推荐(0) 编辑
2017年11月14日
CodeForces - 845B Luba And The Ticket
摘要： Luba And The TicketLuba has a ticket consisting of 6 digits. In one move she can choose digit in any position and replace it with arbi... 阅读全文
posted @ 2017-11-14 21:36 _大美 阅读(275) 评论(0) 推荐(0) 编辑
poj 3278 Catch That Cow
摘要： Catch That CowTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 100270Accepted: 31366DescriptionFarmer John has been informed o... 阅读全文
posted @ 2017-11-14 21:31 _大美 阅读(180) 评论(0) 推荐(0) 编辑
poj 1321 棋盘问题 dfs深搜
摘要： 棋盘问题Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 52452Accepted: 25350Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意... 阅读全文
posted @ 2017-11-14 21:27 _大美 阅读(103) 评论(0) 推荐(0) 编辑
hdu 1045 Fire Net dfs深搜或者二分匹配
摘要： Fire NetTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12961 Accepted Subm... 阅读全文
posted @ 2017-11-14 21:23 _大美 阅读(124) 评论(0) 推荐(0) 编辑
2017年11月13日
hdu 1402 A * B Problem Plus
摘要： A * B Problem Plus Calculate A * B. InputEach line will contain two integers A and B. Process to end of file. Note: the length of each... 阅读全文
posted @ 2017-11-13 10:53 _大美 阅读(167) 评论(0) 推荐(0) 编辑
CodeForces - 850A Five Dimensional Points
摘要： Five Dimensional PointsYou are given set of n points in 5-dimensional space. The points are labeled from 1 to n. No two points coinci... 阅读全文
posted @ 2017-11-13 10:46 _大美 阅读(175) 评论(0) 推荐(0) 编辑
CodeForces - 851B Arpa and an exam about geometry
摘要： Arpa and an exam about geometryArpa is taking a geometry exam. Here is the last problem of the exam.You are given three points a, b, ... 阅读全文
posted @ 2017-11-13 10:35 _大美 阅读(151) 评论(0) 推荐(0) 编辑
CodeForces - 853A Planning
摘要： Planning Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart... 阅读全文
posted @ 2017-11-13 10:18 _大美 阅读(179) 评论(0) 推荐(0) 编辑
2017年11月12日
CodeForces - 855B Marvolo Gaunt's Ring
摘要： Marvolo Gaunt's Ring Professor Dumbledore is helping Harry destroy the Horcruxes. He went to Gaunt Shack as he suspected a Horcrux to... 阅读全文
posted @ 2017-11-12 16:51 _大美 阅读(178) 评论(0) 推荐(0) 编辑
CodeForces - 854B Maxim Buys an Apartment
摘要： Maxim Buys an ApartmentMaxim wants to buy an apartment in a new house at Line Avenue of Metropolis. The house has n apartments that a... 阅读全文
posted @ 2017-11-12 16:45 _大美 阅读(198) 评论(0) 推荐(0) 编辑
CodeForces - 859C Pie Rules
摘要： Pie RulesYou may have heard of the pie rule before. It states that if two people wish to fairly share a slice of pie, one person shoul... 阅读全文
posted @ 2017-11-12 16:31 _大美 阅读(124) 评论(0) 推荐(0) 编辑
CodeForces - 858C Did you mean...
摘要： Did you mean...Beroffice text editor has a wide range of features that help working with text. One of the features is an automatic sea... 阅读全文
posted @ 2017-11-12 16:14 _大美 阅读(213) 评论(0) 推荐(0) 编辑
CodeForces - 858B Which floor?
摘要： Which floor? In a building where Polycarp lives there are equal number of flats on each floor. Unfortunately, Polycarp don't remember ... 阅读全文
posted @ 2017-11-12 16:09 _大美 阅读(205) 评论(0) 推荐(0) 编辑
CodeForces - 879B Table Tennis
摘要： Table Tennis n people are standing in a line to play table tennis. At first, the first two players in the line play a game. Then the ... 阅读全文
posted @ 2017-11-12 15:49 _大美 阅读(278) 评论(0) 推荐(0) 编辑
CodeForces - 877B Nikita and string
摘要： Nikita and stringOne day Nikita found the string containing letters "a" and "b" only.Nikita thinks that string is beautiful if it can ... 阅读全文
posted @ 2017-11-12 15:15 _大美 阅读(183) 评论(0) 推荐(0) 编辑