
ACM-ICPC真题
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2015-2016 ACM-ICPC Southwestern Europe Regional Contest (SWERC 15) C题Canvas Painting(单调队列)
题目大意:给你n个长度为ai的数字,要求算出来把他们分成不同颜色需要涂最小数目,涂色的方式是:选择一个颜色C然后选一个数量F,数量F的要求是小于颜色C所拥有的数量,将前F个涂成一种颜色,剩余颜色为C的涂成另外一种颜色解题思路:一般来说,要想让其花费最少,需要尽可能的多改动小的,但是顺着想其实想不出来,应该倒着想,结果是他们都不一样,我现在希望能够把他们变成一样的,这样的话就是一个优先队列的问题原创 2017-03-30 20:48:58 · 792 阅读 · 0 评论 -
2017 Multi-University Training Contest - Team 1 B - Balala Power! (思维代码能力,贪心)
Talented Mr.Tang has nn strings consisting of only lower case characters. He wants to charge them with Balala Power (he could change each character ranged from a to zinto each number ranged from 0 t原创 2017-07-26 21:51:03 · 569 阅读 · 0 评论 -
2012-2013 ACM-ICPC, Asia Tokyo Regional Contest F.Never Wait for Weights(带权并查集模板)
题目大意:存在着n个物品,然后有m次操作! x y l表示y比x重l? x y表示询问y比x重多少解题思路:这是一道带权并查集的问题,之前没有触及到,所以这次遇到就补充一下#include #include#include#include#include#include #include #include #include #原创 2017-07-26 21:44:20 · 802 阅读 · 0 评论 -
2017 Multi-University Training Contest - Team 6 Inversion(排序)
InversionTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 527 Accepted Submission(s): 358Problem DescriptionGive an array A, the i原创 2017-08-11 16:35:21 · 209 阅读 · 0 评论 -
2017 Multi-University Training Contest - Team 6 Gameia(博弈论+dfs)
GameiaTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 854 Accepted Submission(s): 371Problem DescriptionAlice and Bob are playing原创 2017-08-11 16:47:39 · 257 阅读 · 0 评论 -
2010-2011 ACM-ICPC, NEERC, Southern Subregional Contest Fire in the Country(博弈论+搜索)
D. Fire in the Countrytime limit per test1.0 smemory limit per test256 MBinputinput.txtoutputoutput.txtThis summer's heat wave and drought unleashed devastating原创 2017-08-11 16:58:57 · 647 阅读 · 0 评论 -
HDU6047 2017 Multi-University Training Contest - Team 2Maximum Sequence(贪心)
Maximum SequenceTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 432 Accepted Submission(s): 232Problem DescriptionSteph is extrem原创 2017-07-27 21:53:32 · 290 阅读 · 0 评论 -
HDU6045 2017 Multi-University Training Contest - Team 2 A - Is Derek lying?
Is Derek lying?Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 330 Accepted Submission(s): 199Problem DescriptionDerek and Alfi原创 2017-07-27 22:02:39 · 323 阅读 · 0 评论 -
HDU6055 2017 Multi-University Training Contest - Team 2 K - Regular polygon(暴力枚举)
Regular polygonTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1459 Accepted Submission(s): 567Problem DescriptionOn a two-dimens原创 2017-07-28 14:53:18 · 252 阅读 · 0 评论 -
2017 Multi-University Training Contest - Team 9 Numbers (实力乱搞)
NumbersTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 61 Accepted Submission(s): 25Problem Descriptionzk has n numbers a1,a2,.原创 2017-08-22 18:08:16 · 415 阅读 · 0 评论 -
2017 Multi-University Training Contest - Team 9 E - FFF at Valentine
FFF at ValentineTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 86 Accepted Submission(s): 37Problem DescriptionAt Valentin原创 2017-08-22 18:12:55 · 663 阅读 · 0 评论 -
2010-2011 ACM-ICPC, NEERC, Southern Subregional Contest E - Kidnapping(滚动数组+dfs)
E. Kidnappingtime limit per test1.0 smemory limit per test256 MBinputinput.txtoutputoutput.txtBerland's Police has a serious problem. A foreign ambassador arriv原创 2017-08-09 20:30:02 · 301 阅读 · 0 评论 -
2010-2011 ACM-ICPC, NEERC, Southern Subregional Contest B. 3D City Model(数论)
B. 3D City Modeltime limit per test1.0 smemory limit per test256 MBinputinput.txtoutputoutput.txtA city is built on the top of a rectangular n × m grid where al原创 2017-08-09 20:24:12 · 358 阅读 · 0 评论 -
Gym - 100814G Galway Girl (最短路spfa+二分)
G. It is all about wisdomtime limit per test11.0 smemory limit per test1024 MBinputstandard inputoutputstandard outputFoki is the president of the Martian Unite原创 2017-08-09 20:17:52 · 748 阅读 · 1 评论 -
2015-2016 ACM-ICPC Southwestern Europe Regional Contest (SWERC 15) A题Promotions
题目大意:给你一个DAG关于1到(E-1)个数字,然后有一个[A,B]的区间,让你给其中一些人升职,但是升职的前提是需要给他的上级升职,也就是说1->2意味着当你要给2升职的之前,先让他的上级1升职,然后问的是,要想让A个人升职时肯定要升职的人数是多少,让B个人升职肯定升职的人数,然后再输出给即使给B个人升职,也升职不到的人数有几个 解题思路:要想算出肯定升值的人,肯定要找出来有多少原创 2017-03-30 21:37:22 · 1859 阅读 · 0 评论 -
HDU - 5025 2014 ACM/ICPC Asia Regional Guangzhou Online D题Saving Tang Monk(BFS+优先队列)
Saving Tang MonkTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2533 Accepted Submission(s): 890Problem Description《Journey to th原创 2017-04-19 22:16:34 · 619 阅读 · 0 评论 -
2014 ACM/ICPC Asia Regional Guangzhou Online C题Wang Xifeng's Little Plot(dfs)
Wang Xifeng's Little PlotTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1252 Accepted Submission(s): 705Problem Description《Drea原创 2017-04-16 15:51:16 · 350 阅读 · 0 评论 -
2016-2017 ACM-ICPC, NEERC, Central Subregional Contest J.Architect of Your Own Fortune
题目大意:寻找luckynumber,她的定义是从n和m中各挑选一个六位数,使之n中的前三位之和与m中的后三位之和相同或者n中的后三位之和与m中的前三位之和相同,已经被选中的无法再组合,要是上面两种情况同时符合,选择和最大的一组,要是前者符合条件,在输出的时候输出AT和选中的两个六位数,否则是TA选中的两个六位数,排在前面的优先输出,然后按照第一个六位数的降序排列解题思路:这是一道二分图的题,原创 2017-05-11 10:40:03 · 470 阅读 · 0 评论 -
The 14th Zhejiang Provincial Collegiate Programming Contest Sponsored by TuSimple C题What Kind of Fri
What Kind of Friends Are You?Time Limit: 1 Second Memory Limit: 65536 KBJapari Park is a large zoo home to extant species, endangered species, extinct species, cryptids and some legendary原创 2017-04-25 21:15:02 · 609 阅读 · 0 评论 -
2017年“嘉杰信息杯” 中国大学生程序设计竞赛全国邀请赛(湖南) 暨 第九届湘潭市大学生程序设计比赛H.Highway(树的直径)
HighwayAccepted : 122 Submit : 393Time Limit : 4000 MS Memory Limit : 65536 KBHighwayIn ICPCCamp there were n towns conveniently numbered with 1,2,…,n c原创 2017-05-18 21:13:40 · 1441 阅读 · 0 评论 -
HDU - 5045 2014 ACM/ICPC Asia Regional Shanghai Online D - Contest (状压DP)
ContestTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1820 Accepted Submission(s): 735Problem DescriptionIn the ACM Internationa原创 2017-05-31 22:08:14 · 324 阅读 · 0 评论 -
2015-2016 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2015) Adjoin the Networks (树的直径)
、题目大意:有n个点m条边,现在希望将所有的点连接在一起,且要求生成的树的直径尽可能小,问树的直径最小的最大值多少解题思路:对于目前每个独立的树,求出其的直径,对直径进行排序,为了让最后的树的直径尽可能的小,能做的就是每次将每个树的直径的一半都连接起来,于是最后的答案就从三种情况下出现,第一个情况就是最长的那个树的直径就是最后答案,第二个情况就是最长的直径的一半加次长的直径的一半+1,第三原创 2017-08-02 16:53:34 · 540 阅读 · 0 评论 -
2015-2016 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2015) Disastrous Downtime(前缀和)
题目大意:现在有N条信息需要处理,每条信息被服务器接收后需要进行1000s的等待,每个服务器可以同时处理k条信息,问最多需要多少个服务器解题思路:处理出来在哪个区间内有信息需要处理,然后求时间轴上的前缀和,同时求出一个MAX除以每个服务器的处理信息的数量#include #include #include #include #include #include #include原创 2017-08-02 16:58:01 · 441 阅读 · 0 评论 -
2015-2016 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2015) Goblin Garden Guards (数论)
题目大意:在第一象限内存在着n个黑点,然后同时存在着圆,求出不在圆内的个数解题思路:本来这道题在数据很小的时候可以暴力去判,但是发现这个数据太大,所以需要进行优化和处理,我们枚举每个圆,找出这个圆作为内切圆的正方形,然后枚举在正方形内是否有黑点且黑点在圆内#include #include #include #include #include #include #include原创 2017-08-02 17:03:44 · 1324 阅读 · 0 评论 -
transaction transaction transaction HDU - 6201(dfs)
transaction transaction transactionTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1542 Accepted Submission(s): 745Problem Descri原创 2017-09-15 20:57:54 · 273 阅读 · 0 评论