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RSS订阅转载 Ubuntu 配置中的问题
Ubuntu 配置中的问题dpkg: error processing package xxx (--configure)这个问题可以由以下命令解决$ sudo mv /var/lib/dpkg/info/ /var/lib/dpkg/info_old/ $ sudo mkdir /var/lib/dpkg/info/ $ sudo apt-get update $ ...
2017-01-19 16:53:00
198
转载 最大流-最小割 MAXFLOW-MINCUT ISAP
简单的叙述就不必了。 对于一个图，我们要找最大流，对于基于增广路径的算法，首先必须要建立反向边。 反向边的正确性： 我努力查找了许多资料，都没有找到理论上关于反向边正确性的证明。 但事实上，我们不难理解，对于每条反向边，我们流过它相当于撤销了一条正向边的流量。 并且它是必须的： 而且从理论上，我们在加入反向边之后得...
2016-12-03 11:29:00
314
转载 Codeforces CF#628 Education 8 F. Bear and Fair Set
F. Bear and Fair Settime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is a grizzly bear. He is ...
2016-12-02 14:43:00
227
转载 Codeforces CF#628 Education 8 E. Zbazi in Zeydabad
E. Zbazi in Zeydabadtime limit per test5 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputA tourist wants to visit countr...
2016-12-02 12:38:00
210
转载 Codeforces CF#628 Education 8 D. Magic Numbers
D. Magic Numberstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputConsider the decimal presentation of an integ...
2016-12-02 12:16:00
136
转载 Codeforces CF#628 Education 8 C. Bear and String Distance
C. Bear and String Distancetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is a little polar bea...
2016-12-02 12:07:00
101
转载 Codeforces CF#628 Education 8 B. New Skateboard
B. New Skateboardtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputMax wants to buy a new skateboard. He has cal...
2016-12-02 12:02:00
217
转载 Codeforces CF#628 Education 8 A. Tennis Tournament
A. Tennis Tournamenttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA tennis tournament withnparti...
2016-12-02 11:56:00
164
转载 一致性hash算法详解
转载请说明出处：http://blog.youkuaiyun.com/cywosp/article/details/23397179 一致性哈希算法在1997年由麻省理工学院提出的一种分布式哈希（DHT）实现算法，设计目标是为了解决因特网中的热点(Hot spot)问题，初衷和CARP十分类似。一致性哈希修正了CARP使用的简 单哈希算法带来的问题，使得分布式哈希（DHT）可以在P2P环境...
2016-11-26 20:57:00
108
转载 2016 Multi-University Training Contest 2 D. Differencia
DifferenciaTime Limit: 10000/10000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 601Accepted Submission(s): 173Problem DescriptionProfessor Zhang has...
2016-09-01 18:36:00
117
转载 2016 Multi-University Training Contest 1 G. Rigid Frameworks
Rigid FrameworksTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 337Accepted Submission(s): 273Problem DescriptionErik Demaine is ...
2016-08-31 18:55:00
109
转载 2016 Multi-University Training Contest 1 F.PowMod
PowModTime Limit: 3000/1500 MS (Java/Others)Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1008Accepted Submission(s): 341Problem DescriptionDeclare:k=∑mi=1φ(i∗n)m...
2016-08-30 23:14:00
144
转载 2016 Multi-University Training Contest 1 J.Subway
SubwayTime Limit: 7000/3500 MS (Java/Others)Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 860Accepted Submission(s): 126Special JudgeProblem Descriptionjiefangxuan...
2016-08-28 20:35:00
115
转载 2016 Multi-University Training Contest 1 I. Solid Dominoes Tilings
Solid Dominoes TilingsTime Limit: 6000/3000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 235Accepted Submission(s): 143Problem DescriptionDominoes a...
2016-08-28 20:23:00
103
转载 2016 Multi-University Training Contest 1 H.Shell Necklace
Shell NecklaceTime Limit: 16000/8000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 534Accepted Submission(s): 227Problem DescriptionPerhaps the sea‘s...
2016-08-26 18:23:00
116
转载 2016中国大学生程序设计竞赛 - 网络选拔赛 C. Magic boy Bi Luo with his excited tree
Magic boy Bi Luo with his excited treeProblem DescriptionBi Luo is a magic boy, he also has a migic tree, the tree hasNnodes , in each node , there is a treasure, it's value isV[i], and fo...
2016-08-26 14:22:00
177
转载 2016中国大学生程序设计竞赛 - 网络选拔赛 J. Alice and Bob
Alice and BobTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 147Accepted Submission(s): 22Problem DescriptionAs you know, Alic...
2016-08-25 11:21:00
267
转载 2016中国大学生程序设计竞赛 网络选拔赛 I This world need more Zhu
This world need more ZhuTime Limit: 12000/6000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 262Accepted Submission(s): 49Problem DescriptionAs we al...
2016-08-25 10:59:00
165
转载 2016 Multi-University Training Contest 1 C.Game
GameTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 588Accepted Submission(s): 146Problem DescriptionSea5 and wzh are playing g...
2016-08-24 22:08:00
115
转载 2016 ccpc 网络选拔赛 F. Robots
RobotsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 60Accepted Submission(s): 13Problem DescriptionQXJ hasNrobots on the plan...
2016-08-23 10:00:00
156
转载 51nod p1201 整数划分
1201整数划分基准时间限制：1秒 空间限制：131072KB 分值:80难度：5级算法题将N分为若干个不同整数的和，有多少种不同的划分方式，例如：n = 6，{6} {1,5} {2,4} {1,2,3}，共4种。由于数据较大，输出Mod 10^9 + 7的结果即可。Input输入1个数N(1<=N<...
2016-03-07 20:12:00
73
转载 51nod p1175 区间中第K大的数
1175区间中第K大的数基准时间限制：1秒 空间限制：131072KB 分值:160难度：6级算法题一个长度为N的整数序列，编号0 - N - 1。进行Q次查询，查询编号i至j的所有数中，第K大的数是多少。例如: 1 7 6 3 1。i = 1, j = 3，k = 2，对应的数为7 6 3，第2大的数为6。I...
2016-03-04 21:07:00
99
转载 线性筛法 欧拉函数
线性筛法： 1 for(int i = 2; i < MAXPRIME; i++) 2 { 3 if(!visit[i]) prime[tot++] = i; 4 for(int j = 0; j < tot; j++) 5 { 6 if(i * prime[j] >= MAXPRIME) break;...
2016-03-04 11:56:00
130
转载 ural 2071. Juice Cocktails
2071. Juice CocktailsTime limit: 1.0 secondMemory limit: 64 MBOncenDenchiks come to the bar and each orders a juice cocktail. It could be from 1 to 3 different juices in each cocktail...
2016-03-04 11:14:00
169
转载 ural 2073. Log Files
2073. Log FilesTime limit: 1.0 secondMemory limit: 64 MBNikolay has decided to become the best programmer in the world! Now he regularly takes part in various programming contests, atte...
2016-03-04 11:14:00
129
转载 ural 2070. Interesting Numbers
2070. Interesting NumbersTime limit: 2.0 secondMemory limit: 64 MBNikolay and Asya investigate integers together in their spare time. Nikolay thinks an integer is interesting if it is a...
2016-03-04 10:54:00
171
转载 ural 2069. Hard Rock
2069. Hard RockTime limit: 1.0 secondMemory limit: 64 MBIlya is a frontman of the most famous rock band on Earth. Band decided to make the most awesome music video ever for their new si...
2016-03-04 10:47:00
151
转载 ural 2068. Game of Nuts
2068. Game of NutsTime limit: 1.0 secondMemory limit: 64 MBThe war for Westeros is still in process, manpower and supplies are coming to an end and the winter is as near as never before...
2016-03-04 10:37:00
132
转载 ural 2067. Friends and Berries
2067. Friends and BerriesTime limit: 2.0 secondMemory limit: 64 MBThere is a group ofnchildren. According to a proverb, every man to his own taste. So the children value strawberries ...
2016-03-04 10:30:00
174
转载 ural 2066. Simple Expression
2066. Simple ExpressionTime limit: 1.0 secondMemory limit: 64 MBYou probably know that Alex is a very serious mathematician and he likes to solve serious problems. This is another probl...
2016-03-04 10:26:00
143
转载 ural 2065. Different Sums
2065. Different SumsTime limit: 1.0 secondMemory limit: 64 MBAlex is a very serious mathematician and he likes to solve serious problems. For example, this problem.You are to co...
2016-03-04 10:25:00
126
转载 ural 2064. Caterpillars
2064. CaterpillarsTime limit: 3.0 secondMemory limit: 64 MBYoung gardener didn’t visit his garden for a long time, and now it’s not very pleasant there:ncaterpillars have appeared on t...
2016-03-04 10:23:00
140
转载 ural 2063. Black and White
2063. Black and WhiteTime limit: 1.0 secondMemory limit: 64 MBLet’s play a game. You are given a row ofnballs, each ball is either black or white. Their positions in a row are numbere...
2016-03-04 10:15:00
161
转载 ural 2062 Ambitious Experiment
2062. Ambitious ExperimentTime limit: 3.0 secondMemory limit: 128 MBDuring several decades, scientists from planet Nibiru are working to create an engine that would allow spacecrafts to...
2016-03-04 10:10:00
158
转载 CF# 334 Lieges of Legendre
C. Lieges of Legendretime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputKevin and Nicky Sun have invented a new ...
2015-12-31 12:02:00
119
转载 CF# 334 Moodular Arithmetic
B. Moodular Arithmetictime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAs behooves any intelligent scho...
2015-12-31 11:48:00
110
转载 CF# 334 Alternative Thinking
A. Alternative Thinkingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputKevin has just recevied his disappoint...
2015-12-31 11:41:00
124
转载 ural 1255. Graveyard of the Cosa Nostra
1255. Graveyard of the Cosa NostraTime limit: 1.0 secondMemory limit: 64 MBThere is a custom among the Ural Mafiosi — a big Mafioso’s coffin is to be carried by all his subordinates. Th...
2015-12-26 11:11:00
121
转载 ural 1252. Sorting the Tombstones
1252. Sorting the TombstonesTime limit: 1.0 secondMemory limit: 64 MBThere is time to throw stones and there is time to sort stones…An old desolate cemetery is a long dismal row...
2015-12-26 10:48:00
110
转载 ural 1251. Cemetery Manager
1251. Cemetery ManagerTime limit: 1.0 secondMemory limit: 64 MBThere is a tradition at the USU championships to call the most hard-to-solve problems coffins. But to distribute coffi...
2015-12-26 10:40:00
154
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