2017年8月3日
HDU1301 Jungle Roads
摘要： Jungle RoadsThe Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads be... 阅读全文
posted @ 2017-08-03 20:25 岩扉 阅读(167) 评论(0) 推荐(0) 编辑
HDU 1875 畅通工程再续
摘要： 畅通工程再续相信大家都听说一个“百岛湖”的地方吧，百岛湖的居民生活在不同的小岛中，当他们想去其他的小岛时都要通过划小船来实现。现在政府决定大力发展百岛湖，发展首先要解决的问题当然是交通问题，政府决定实现百岛湖的全畅通！经过考察小组RPRush对百岛湖的情况充分了解后，... 阅读全文
posted @ 2017-08-03 20:13 岩扉 阅读(195) 评论(0) 推荐(0) 编辑
poj-1751-Highways-(最小生成树)
摘要： Highwayshe island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public highways. The Flatopi... 阅读全文
posted @ 2017-08-03 20:08 岩扉 阅读(220) 评论(0) 推荐(0) 编辑
POJ 1287 Networking
摘要： NetworkingYou are assigned to design network connections between certain points in a wide area. You are given a set of points in the a... 阅读全文
posted @ 2017-08-03 19:56 岩扉 阅读(171) 评论(0) 推荐(0) 编辑
POJ 2485 Highways
摘要： Highways The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult ... 阅读全文
posted @ 2017-08-03 19:54 岩扉 阅读(174) 评论(0) 推荐(0) 编辑
2017年8月2日
hdu 1325 Is It A Tree? (并查集)
摘要： Is It A Tree? A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connec... 阅读全文
posted @ 2017-08-02 22:31 岩扉 阅读(136) 评论(0) 推荐(0) 编辑
HDOJ 2120 Ice_cream's world I
摘要： Ice_cream’s world Iice_cream’s world is a rich country, it has many fertile lands. Today, the queen of ice_cream wants award land to d... 阅读全文
posted @ 2017-08-02 22:07 岩扉 阅读(100) 评论(0) 推荐(0) 编辑
HDU1272小希的迷宫
摘要： 小希的迷宫上次Gardon的迷宫城堡小希玩了很久（见Problem B），现在她也想设计一个迷宫让Gardon来走。但是她设计迷宫的思路不一样，首先她认为所有的通道都应该是双向连通的，就是说如果有一个通道连通了房间A和B，那么既可以通过它从房间A走到房间B，也可以通过... 阅读全文
posted @ 2017-08-02 22:03 岩扉 阅读(158) 评论(0) 推荐(0) 编辑
hdu 1856 More is better
摘要： More is better Mr Wang wants some boys to help him with a project. Because the project is rather complex, the more boys come, the bett... 阅读全文
posted @ 2017-08-02 21:53 岩扉 阅读(156) 评论(0) 推荐(0) 编辑
The Suspects POJ 1611
摘要： The Suspects Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat i... 阅读全文
posted @ 2017-08-02 21:46 岩扉 阅读(162) 评论(0) 推荐(0) 编辑
HDU 5631 Rikka with Graph
摘要： Rikka with GraphAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practic... 阅读全文
posted @ 2017-08-02 21:39 岩扉 阅读(197) 评论(0) 推荐(0) 编辑
2017年8月1日
poj 1383 Labyrinth
摘要： poj 1383 Labyrinth 【 BFS实现 树的直径裸题】 The northern part of the Pyramid contains a very large and complicated labyrinth. The labyrinth is ... 阅读全文
posted @ 2017-08-01 20:52 岩扉 阅读(222) 评论(0) 推荐(0) 编辑
2017年7月31日
LightOJ 1141 Number Transformation
摘要： Number TransformationIn this problem, you are given an integer number s. You can transform any integer number A to another integer num... 阅读全文
posted @ 2017-07-31 17:38 岩扉 阅读(325) 评论(0) 推荐(0) 编辑
Birthday Paradox
摘要： Birthday Paradox Sometimes some mathematical results are hard to believe. One of the common problems is the birthday paradox. Suppose ... 阅读全文
posted @ 2017-07-31 10:42 岩扉 阅读(213) 评论(0) 推荐(0) 编辑
2017年7月30日
poj1142 Smith Numbers
摘要： Poj1142 Smith NumbersSmith Numbers Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13854 Accepted: 4716 Descr... 阅读全文
posted @ 2017-07-30 21:58 岩扉 阅读(198) 评论(0) 推荐(0) 编辑
容斥模板
摘要： 容斥模板代码，int solve(){ int ans = 0; //是那四个数的倍数的数的数量 for (int i = 1 ; i < (1<<4) ; i++) //选数 { int ant = 0; //选中数的数量 int k = 1; /... 阅读全文
posted @ 2017-07-30 21:01 岩扉 阅读(219) 评论(0) 推荐(0) 编辑
POJ 3370 Halloween treats(抽屉原理)
摘要： Halloween treatsEvery year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sw... 阅读全文
posted @ 2017-07-30 14:17 岩扉 阅读(165) 评论(0) 推荐(0) 编辑
poj 23565-Find a multiple
摘要： Find a multiple The input contains N natural (i.e. positive integer) numbers ( N int a[10010],sum[10010];int main(){ int n; whil... 阅读全文
posted @ 2017-07-30 11:24 岩扉 阅读(190) 评论(0) 推荐(0) 编辑
Patrick and Shopping
摘要： Patrick and Shopping今天 Patrick 等待着他的朋友 Spongebob来他家玩。为了迎接 Spongebob，Patrick 需要去他家附近的两家商店 买一些吃的。他家离第一家商店有d1米远，离第二家商店有d2米远。还有，两家商店之间的距离... 阅读全文
posted @ 2017-07-30 09:23 岩扉 阅读(255) 评论(0) 推荐(0) 编辑
Tricky Sum
摘要： In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.... 阅读全文
posted @ 2017-07-30 09:15 岩扉 阅读(228) 评论(0) 推荐(0) 编辑
2017年7月23日
暑期训练
摘要： Bear and Three Balls Limak is a little polar bear. He has n balls, thei-th ball has size ti.Limak wants to give one ball to each of h... 阅读全文
posted @ 2017-07-23 15:49 岩扉 阅读(206) 评论(0) 推荐(0) 编辑
2017年7月21日
Wet Shark and Bishops（思维）
摘要： Today, Wet Shark is given n bishops on a 1000 by 1000 grid. Both rows and columns of the grid are numbered from 1 to 1000. Rows are nu... 阅读全文
posted @ 2017-07-21 16:35 岩扉 阅读(298) 评论(0) 推荐(0) 编辑
文章标题
摘要： 1203: 杨八方的语文问题 [字符串] 时间限制: 1 Sec 内存限制: 128 MB 题目描述 转眼间一学期就将要过去了，杨八方也在大学里经历了许多事情，最难忘的自然是学校里的各色课程。杨八方很喜欢中国的古典文化，所以当她知道大学有语文课的时候是很开心的。更幸运... 阅读全文
posted @ 2017-07-21 08:43 岩扉 阅读(156) 评论(0) 推荐(0) 编辑