2018 年 7月随笔档案 - StarHai

2018HDU多校训练-3-Problem M. Walking Plan

摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=6331 Walking Plan Problem Description There are n intersections in Bytetown, connected with m one way str 阅读全文

posted @ 2018-07-31 22:06 StarHai 阅读(301) 评论(0) 推荐(0) 编辑

2018HDU多校训练-3-Problem G. Interstellar Travel

摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=6325 Interstellar Travel Problem Description After trying hard for many years, Little Q has finally recei 阅读全文

posted @ 2018-07-31 21:55 StarHai 阅读(220) 评论(0) 推荐(0) 编辑

2018HDU多校训练-3-Problem F. Grab The Tree

摘要：Little Q and Little T are playing a game on a tree. There are n vertices on the tree, labeled by 1,2,...,n , connected by n−1 bidirectional edges. The 阅读全文

posted @ 2018-07-31 21:46 StarHai 阅读(359) 评论(0) 推荐(0) 编辑

2018HDU多校训练-3-Problem D. Euler Function

摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=6322 Problem Description In number theory, Euler's totient function φ(n) counts the positive integers up 阅读全文

posted @ 2018-07-31 21:35 StarHai 阅读(554) 评论(1) 推荐(0) 编辑

CSU OJ1960

摘要：有一棵由N个结点构成的树，每一条边上都有其对应的权值。现在给定起点，求从该点出发的一条路径（至少有一条边）使得这条路径上的权值之和最大，并输出这个最大值。 Input 第一行一个正整数T，代表数据组数。每组数据第一行两个正整数n(2<=n<=10^5),s(1<=s<=n)，分别表示树结点数目以及给阅读全文

posted @ 2018-07-29 20:30 StarHai 阅读(179) 评论(0) 推荐(0) 编辑

CodeForces-Round235D

摘要：链接：http://codeforces.com/contest/401/problem/D 题意：给出一个数字num和m，问通过重新排列num中的各位数字中有多少个数(mod m)=0,直接枚举全排列肯定不行，可以用状压dp来搞.. dp[S][k]表示选了num中的S且(mod m)=k的方案种阅读全文

posted @ 2018-07-29 20:21 StarHai 阅读(204) 评论(0) 推荐(0) 编辑

UVa-10652 包装木板

摘要：Input: standard inputOutput: standard output Time Limit: 2 seconds The small sawmill in Mission, British Columbia, has developed a brand new way of pa 阅读全文

posted @ 2018-07-29 20:12 StarHai 阅读(238) 评论(0) 推荐(0) 编辑

A*算法在最短路问题的应用及其使用举例

摘要：1 A*算法 A*算法在人工智能中是一种典型的启发式搜索算法，启发中的估价是用估价函数表示的：其中f(n)是节点n的估价函数，g(n)表示实际状态空间中从初始节点到n节点的实际代价，h(n)是从n到目标节点最佳路径的估计代价。另外定义h'(n)为n到目标节点最佳路径的实际值。如果h'(n)≥h(n 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(2853) 评论(0) 推荐(0) 编辑

四点之间最短路（spfa+优先队列+枚举优化）UESTC1955喜马拉雅山上的猴子

摘要：喜马拉雅山上的猴子Time Limit: 1000 MS Memory Limit: 256 MBSubmit Status余周周告诉我喜马拉雅山上有猴子，他们知道点石成金的方法。我不信，于是余周周带我去喜马拉雅山拜访猴子。喜马拉雅山上有n个猴子聚落，不妨叫... 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(369) 评论(0) 推荐(0) 编辑

HDU1224-Free DIY Tour（SPFA+路径还原）

摘要：Weiwei is a software engineer of ShiningSoft. He has just excellently fulfilled a software project with his fellow workers. His boss i... 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(387) 评论(0) 推荐(0) 编辑

HDU-3339 IN ACTION（Dijkstra +01背包）

摘要：Since 1945, when the first nuclear bomb was exploded by the Manhattan Project team in the US, the number of nuclear weapons have soar... 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(220) 评论(0) 推荐(0) 编辑

HDU-1595Find the longest of shortest(最短路径的最长路Dijkstra+记录路径)

摘要：Marica is very angry with Mirko because he found a new girlfriend and she seeks revenge.Since she doesn't live in the same city, she started preparing 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(456) 评论(0) 推荐(0) 编辑

HDU1599-Find the mincost route

摘要：杭州有N个景区，景区之间有一些双向的路来连接，现在8600想找一条旅游路线，这个路线从A点出发并且最后回到A点，假设经过的路线为V1,V2,....VK,V1,那么必须满足K>2,就是说至除了出发点以外至少要经过2个其他不同的景区，而且不能重复经过同一个景区。现在86... 阅读全文

posted @ 2018-07-29 19:56 StarHai 阅读(198) 评论(0) 推荐(0) 编辑

HDU1217-Arbitrage(乘法最短路)

摘要：Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the sa... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(263) 评论(0) 推荐(0) 编辑

HDU3191-How many paths are there(次短路的长度及其个数)

摘要：oooccc1 is a Software Engineer who has to ride to the work place every Monday through Friday. For a long period, he went to office w... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(278) 评论(0) 推荐(0) 编辑

HDU2482-Transit search（地图还原+SPFA）

摘要：Henry decides to develop a web site, which will provide the service of transit search. But he can only get the transit data of Guangzh... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(289) 评论(0) 推荐(0) 编辑

HDU3870-Caught these thieves(最小割->偶图->最短路问题)

摘要：A group of thieves is approaching a museum in the country of zjsxzy,now they are in city A,and the museum is in city B,where keeps man... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(212) 评论(0) 推荐(0) 编辑

HDU3666-THE MATRIX PROBLEM(差分约束-不等式解得存在性判断对数转化)

摘要：You have been given a matrix C N*M, each element E of C N*M is positive and no more than 1000, The problem is that if there exist N nu... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(193) 评论(0) 推荐(0) 编辑

HDU4109-instruction agreement(差分约束-最长路+建立源点，汇点)

摘要：Ali has taken the Computer Organization and Architecture course this term. He learned that there may be dependence between instruction... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(356) 评论(0) 推荐(0) 编辑

HDU2833-WuKong(求不同起点，终点最短路的交点最多数量)

摘要：Liyuan wanted to rewrite the famous book “Journey to the West” (“Xi You Ji” in Chinese pinyin). In the original book, the Monkey King ... 阅读全文

posted @ 2018-07-29 19:55 StarHai 阅读(246) 评论(0) 推荐(0) 编辑

CodeForces1006F-Xor-Paths

摘要：F. Xor-Pathstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere is a rectangul... 阅读全文

posted @ 2018-07-29 19:54 StarHai 阅读(334) 评论(0) 推荐(0) 编辑

HDU1529-Casher Emploryment(最最...最经典的差分约束差分约束-最长路+将环变线)

摘要：A supermarket in Tehran is open 24 hours a day every day and needs a number of cashiers to fit its need. The supermarket manager has h... 阅读全文

posted @ 2018-07-29 19:54 StarHai 阅读(384) 评论(0) 推荐(0) 编辑

ZOJ2770-Burn The Linked Camp(火烧连营Orz 差分约束-线性约束+最长路(OR反向最短路))

摘要：It is well known that, in the period of The Three Empires, Liu Bei, the emperor of the Shu Empire, was defeated by Lu Xun, a general of the Wu Empire. 阅读全文

posted @ 2018-07-29 19:54 StarHai 阅读(307) 评论(0) 推荐(0) 编辑

HDU3870- intervals（差分约束）

摘要：You are given n closed, integer intervals [ai, bi] and n integers c1, ..., cn. Write a program that: > reads the number of intervals, their endpoints 阅读全文

posted @ 2018-07-29 19:54 StarHai 阅读(367) 评论(0) 推荐(0) 编辑

UESTC-1964命运石之门（类似SPFA的BFS）

摘要：命运石之门Time Limit: 1000 MS Memory Limit: 256 MBSubmit Status“这一切都是命运石之门的选择！“凶真博士发明了能够逆转时间的电话微波炉，也就是微型时光机。每次时光机开机时，时光机顶部的数字屏上会随机显示一个数... 阅读全文

posted @ 2018-07-29 19:53 StarHai 阅读(432) 评论(0) 推荐(0) 编辑

2018HDU多校训练一 K - Time Zone

摘要：Chiaki often participates in international competitive programming contests. The time zone becomes a big problem. Given a time in Beij... 阅读全文

posted @ 2018-07-25 21:21 StarHai 阅读(349) 评论(0) 推荐(0) 编辑

2018HDU多校训练一 D Distinct Values

摘要：hiaki has an array of nn positive integers. You are told some facts about the array: for every two elements aiai and ajaj in the subar... 阅读全文

posted @ 2018-07-25 21:18 StarHai 阅读(352) 评论(0) 推荐(0) 编辑

2018HDU多校训练一 C -Triangle Partition

摘要：Chiaki has 3n3n points p1,p2,…,p3np1,p2,…,p3n. It is guaranteed that no three points are collinear. Chiaki would like to construct nn ... 阅读全文

posted @ 2018-07-25 21:03 StarHai 阅读(349) 评论(0) 推荐(0) 编辑

2018HDU多校训练一 A - Maximum Multiple

摘要：Given an integer nn, Chiaki would like to find three positive integers xx, yy and zzsuch that: n=x+y+zn=x+y+z, x∣nx∣n, y∣ny∣n, z∣nz∣n ... 阅读全文

posted @ 2018-07-25 21:01 StarHai 阅读(282) 评论(0) 推荐(0) 编辑

CSU oj 2092-Space Golf

摘要：You surely have never heard of this new planet surface exploration scheme, as it is being carried out in a project with utmost secrecy... 阅读全文

posted @ 2018-07-25 20:47 StarHai 阅读(224) 评论(0) 推荐(0) 编辑

（全国多校重现赛一）F-Senior Pan

摘要：Senior Pan fails in his discrete math exam again. So he asks Master ZKC to give him graph theory problems everyday. The task is simple... 阅读全文

posted @ 2018-07-25 20:36 StarHai 阅读(252) 评论(0) 推荐(0) 编辑

(全国多校重现赛一)D Dying light

摘要：LsF is visiting a local amusement park with his friends, and a mirror room successfully attracts his attention. Inside the mirror room... 阅读全文

posted @ 2018-07-25 17:25 StarHai 阅读(207) 评论(0) 推荐(0) 编辑

(全国多校重现赛一) J-Two strings

摘要：Giving two strings and you should judge if they are matched. The first string contains lowercase letters and uppercase letters. The se... 阅读全文

posted @ 2018-07-24 00:20 StarHai 阅读(212) 评论(0) 推荐(0) 编辑

(全国多校重现赛一) H Numbers

摘要：zk has n numbers a1,a2,...,ana1,a2,...,an. For each (i,j) satisfying 1≤iusing namespace std;const int maxn=1e5+5;int n,m;vector a,b,c... 阅读全文

posted @ 2018-07-24 00:08 StarHai 阅读(229) 评论(0) 推荐(0) 编辑

（全国多校重现赛一）E-FFF at Valentine

摘要：At Valentine's eve, Shylock and Lucar were enjoying their time as any other couples. Suddenly, LSH, Boss of FFF Group caught both of t... 阅读全文

posted @ 2018-07-23 22:29 StarHai 阅读(213) 评论(0) 推荐(0) 编辑

（全国多校重现赛一）B-Ch's gifts

摘要：Mr. Cui is working off-campus and he misses his girl friend very much. After a whole night tossing and turning, he decides to get to h... 阅读全文

posted @ 2018-07-23 22:22 StarHai 阅读(189) 评论(0) 推荐(0) 编辑

(全国多校重现赛一)A-Big Binary Tree

摘要：You are given a complete binary tree with n nodes. The root node is numbered 1, and node x's father node is ⌊x/2⌋⌊x/2⌋. At the beginning, node x has a 阅读全文

posted @ 2018-07-23 22:16 StarHai 阅读(201) 评论(0) 推荐(0) 编辑

UVA-10391 Compoud Words

摘要：You are to find all the two-word compound words in a dictionary. A two-word compound word is a word in the dictionary that is the conc... 阅读全文

posted @ 2018-07-23 21:56 StarHai 阅读(242) 评论(0) 推荐(0) 编辑

HDU-1027Ignatius and princess II

摘要：Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about to kill our pretty Princess. But ... 阅读全文

posted @ 2018-07-23 21:54 StarHai 阅读(151) 评论(0) 推荐(0) 编辑

CodeForces-501B

摘要：Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any numb... 阅读全文

posted @ 2018-07-23 21:53 StarHai 阅读(212) 评论(0) 推荐(0) 编辑

UVA-136Ugly numbers

摘要：Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, ... shows the first ... 阅读全文

posted @ 2018-07-23 21:51 StarHai 阅读(167) 评论(0) 推荐(0) 编辑

UVA-101

摘要：Many areas of Computer Science use simple, abstract domains for both analytical and empirical studies. For example, an early AI study ... 阅读全文

posted @ 2018-07-23 21:50 StarHai 阅读(181) 评论(0) 推荐(0) 编辑

UVA-10474

摘要：Raju and Meena love to play with Marbles. They have got a lot of marbles with numbers written on them. At the beginning, Raju would pl... 阅读全文

posted @ 2018-07-23 21:48 StarHai 阅读(161) 评论(0) 推荐(0) 编辑

CSU-2018

摘要：The gaming company Sandstorm is developing an online two player game. You have been asked to implement the ranking system. All players... 阅读全文

posted @ 2018-07-23 21:46 StarHai 阅读(241) 评论(0) 推荐(0) 编辑

最短路 & 差分约束总结

摘要：一、引例 1、一类不等式组的解二、最短路 1、Dijkstra 2、图的存储 3、链式前向星 4、Dijkstra + 优先队列 5、Bellman-Ford 6、SPFA 7、Floyd-Warshall 三、差分约束 1、数形结合 2、三角不等式 3、解的存在性 4、最大值 => 最小值 5、阅读全文

posted @ 2018-07-20 01:56 StarHai 阅读(945) 评论(0) 推荐(0) 编辑

CodeForces1006E- Military Problem

摘要：E. Military Problem time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output In this problem you 阅读全文

posted @ 2018-07-18 00:57 StarHai 阅读(310) 评论(0) 推荐(0) 编辑

CodeForces1006E- Military Problem

摘要：E. Military Problemtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn this probl... 阅读全文

posted @ 2018-07-18 00:57 StarHai 阅读(289) 评论(0) 推荐(0) 编辑

CodeForces1006D-Two Strings Swaps

摘要：D. Two Strings Swapstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are give... 阅读全文

posted @ 2018-07-18 00:54 StarHai 阅读(382) 评论(0) 推荐(0) 编辑

CodeForces1006C-Three Parts of the Array

摘要：C. Three Parts of the Arraytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou ar... 阅读全文

posted @ 2018-07-18 00:49 StarHai 阅读(336) 评论(0) 推荐(0) 编辑

CodeForces-1006B-Polycarp's Practice

摘要：B. Polycarp's Practicetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp i... 阅读全文

posted @ 2018-07-18 00:46 StarHai 阅读(395) 评论(0) 推荐(0) 编辑

CodeForces1006A - Adjacent Replacements

摘要：A. Adjacent Replacementstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputMishka go... 阅读全文

posted @ 2018-07-18 00:42 StarHai 阅读(323) 评论(0) 推荐(0) 编辑

UESTC-1963咸鱼咕咕咕(二分图匹配)

摘要：咸鱼咕咕咕Time Limit: 1000 MS Memory Limit: 64 MBSubmit Status咸鱼有个咕咕笼。咕咕笼可以划分成m×nm×n个格子，每个小格子可以放下一只咕咕，也可以放下一个咕咕槽。现在咕咕笼里有若干只咕咕。放在咕咕笼里的咕咕... 阅读全文

posted @ 2018-07-13 00:45 StarHai 阅读(211) 评论(0) 推荐(0) 编辑

CodeForces985F -- Isomorphic Strings

摘要：F. Isomorphic Stringstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are giv... 阅读全文

posted @ 2018-07-09 02:13 StarHai 阅读(337) 评论(0) 推荐(0) 编辑

CodeForces985G Team Players

摘要：G. Team Playerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are nn play... 阅读全文

posted @ 2018-07-09 02:11 StarHai 阅读(377) 评论(0) 推荐(0) 编辑

UESTC1961-咸鱼睡觉觉

摘要：咸鱼睡觉觉 Time Limit: 1000 MS Memory Limit: 64 MB Submit Status 咸鱼要睡觉觉了！但那群咕咕有点烦。咸鱼决定要赶走一些咕咕，使得他们不要这么吵。那kk只咕咕们排成了一列。咸鱼做出了nn个决定，第ii个决定是要在第aiai只咕咕到第bibi 阅读全文

posted @ 2018-07-09 02:01 StarHai 阅读(296) 评论(0) 推荐(0) 编辑

UESTC1961-咸鱼睡觉觉

摘要：咸鱼睡觉觉Time Limit: 1000 MS Memory Limit: 64 MBSubmit Status咸鱼要睡觉觉了！但那群咕咕有点烦。咸鱼决定要赶走一些咕咕，使得他们不要这么吵。那kk只咕咕们排成了一列。咸鱼做出了nn个决定，第ii个决定是要在第... 阅读全文

posted @ 2018-07-09 02:01 StarHai 阅读(254) 评论(0) 推荐(0) 编辑

CodeForces845G-Shortest PathProblem?

摘要：You are given an undirected graph with weighted edges. The length of some path between two vertices is the bitwise xor of weights of all edges belongi 阅读全文

posted @ 2018-07-09 01:59 StarHai 阅读(262) 评论(0) 推荐(0) 编辑

CodeForces845G-Shortest PathProblem?

摘要：You are given an undirected graph with weighted edges. The length of some path between two vertices is the bitwise xor of weights of a... 阅读全文

posted @ 2018-07-09 01:59 StarHai 阅读(126) 评论(0) 推荐(0) 编辑

UESTC-1975弗吉桑(回文串,manacher算法)

摘要：弗吉桑Time Limit: 3000 MS Memory Limit: 64 MBSubmit Status弗吉桑是一座横跨清水河大草原的活火山，位于子科技大学主楼东北方约 80km 处，主峰海拔 3776m ， 2002 年 8 月经电子科大校土局重新测量... 阅读全文

posted @ 2018-07-09 01:53 StarHai 阅读(251) 评论(0) 推荐(0) 编辑

UESTC1977-图书馆(AC自动机应用)

摘要：M - 图书馆Time Limit: 2000 MS Memory Limit: 256 MBSubmit Status电子科技太学图书馆创建于1956年，馆舍总面积66974平方米，各类阅览室37个，阅览座位10023个（含在建新馆），馆藏总量371.8万册... 阅读全文

posted @ 2018-07-08 00:01 StarHai 阅读(271) 评论(0) 推荐(0) 编辑

CSUOJ2078-查找第k大(读入挂)

摘要：查找第k大Submit Page Summary Time Limit: 1 Sec Memory Limit: 128 Mb Submitted: 316 Solved: 20 Description小W有很强的好胜心，也有... 阅读全文

posted @ 2018-07-07 22:46 StarHai 阅读(412) 评论(0) 推荐(0) 编辑

CSUOJ2031-Barareh on Fire(双向BFS)

摘要：Barareh on Fire Submit Page Summary Time Limit: 3 Sec Memory Limit: 512 Mb Submitted: 102 Solved: 48 Description The Barareh village is on fire due to 阅读全文

posted @ 2018-07-07 22:42 StarHai 阅读(323) 评论(0) 推荐(0) 编辑

POJ1144-NetWork(无向图的割顶)

摘要：Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 16142 Accepted: 7305 Description A Telephone Line Company (TLC) is establishing a new telep 阅读全文

posted @ 2018-07-07 22:24 StarHai 阅读(271) 评论(0) 推荐(0) 编辑

HDU3849-By Recognizing These Guys, We Find Social Networks Useful(无向图的桥)

摘要：By Recognizing These Guys, We Find Social Networks Useful Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others)Total Submi 阅读全文

posted @ 2018-07-07 22:21 StarHai 阅读(268) 评论(0) 推荐(0) 编辑

无向图的割顶与桥总结

摘要：割顶和桥：对于无向图G，如果删除某个节点u后，连通分量数目增加，则称u为图的割顶；如果删除某条边后，连通分量数目增加，则称该边为图的桥。对于连通图删除割顶或桥后都会使得图不再连通以下我，我们利用dfs的性质来快速找出一个连通图中的所有的割顶和桥首先我们要引入”时间戳”这个概念：时间戳：表示在进阅读全文

posted @ 2018-07-07 21:54 StarHai 阅读(847) 评论(0) 推荐(0) 编辑

转化欧拉回路(难题)-UESTC-1957励志的猴子

摘要：励志的猴子Time Limit: 1000 MS Memory Limit: 256 MBSubmit Status上图是2013南京亚青会吉祥物圆圆。自从它诞生以来，它就被吐槽为最丑吉祥物。即使如此，它仍然坚强的活着，并且……它还学会了人类的坐标系、画画和数... 阅读全文

posted @ 2018-07-07 15:07 StarHai 阅读(423) 评论(0) 推荐(0) 编辑

无向图的桥+搜索优化--UESTC1956-北极的猴子

摘要：北极的猴子 Time Limit: 1000 MS Memory Limit: 256 MB Submit Status 也许你不知道，在北极也有猴子，我们叫它们北极猴。北极猴们在北极一共有n个聚落，不妨叫它们1,2，…n号聚落；它们之间有m条双向道路(这意味着如果一条路从1号聚落到2号聚落，那么你阅读全文

posted @ 2018-07-07 00:32 StarHai 阅读(389) 评论(0) 推荐(0) 编辑

矩阵解压，网络流UESTC-1962天才钱vs学霸周2

摘要：天才钱vs学霸周2Time Limit: 500 MS Memory Limit: 128 MBSubmit Status由于上次的游戏中学霸周输了，因此学霸周想出个问题为难天才钱，问题是这样的，有一个n×mn×m的矩阵，每一个格子中有一个整数，周大爷给出了数... 阅读全文

posted @ 2018-07-07 00:15 StarHai 阅读(307) 评论(0) 推荐(0) 编辑

最小生成树唯一性判断-UESTC1959天才钱vs学霸周

摘要：天才钱vs学霸周Time Limit: 1000 MS Memory Limit: 256 MBSubmit Status有一天，天才钱和学霸周闲的无聊玩起了游戏，游戏内容是这样的，现在有nn个城堡 mm个不同的桥，每一个桥连接着两个不同的城堡，并且已知这mm... 阅读全文

posted @ 2018-07-07 00:05 StarHai 阅读(441) 评论(0) 推荐(0) 编辑

度及拓扑图的使用-UESTC1958学霸周选课

摘要：学霸周选课Time Limit: 1000 MS Memory Limit: 128 MBSubmit Status众所周知周大爷不仅编程了得，专业课成绩更是名列前茅，恰巧又到了选课的季节，神秘的zin作为周大爷的好朋（基）友，给了周大爷一份课表，这个课表和... 阅读全文

posted @ 2018-07-06 23:55 StarHai 阅读(333) 评论(0) 推荐(0) 编辑

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