里弗杰克

Problem DescriptionSVM（Support Vector Machine）is an importantclassification tool, which has a wide range of applications in clusteranalysis, community division and so on. SVM The kernel functions us

C - History repeat itselfTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 4342DescriptionTom took the Discrete Mathematics cou

D - How Many Answers Are WrongTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 3038Appoint description: System Crawler  (2016-03-0

C - How Many TablesTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1213Appoint description: System Crawler  (2016-03-02)Des

P - The Shortest Path in Nya GraphTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 4725Appoint description: xiaoshua  (2013-10-16)

E - DNA sequenceTime Limit:5000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1560Appoint description: System Crawler  (2016-01-21)Descri

D - EscapeTime Limit:10000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 3533Appoint description: System Crawler  (2016-01-16)Description

C - 哈密顿绕行世界问题Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 2181Appoint description: System Crawler  (2016-01-18)Description

I - A计划Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 2102Appoint description: System Crawler  (2016-01-20)Description

B - Eight IITime Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 3567Appoint description: System Crawler  (2016-01-18)Descriptio

A - Open the LockTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1195Appoint description: System Crawler  (2016-01-13)Descrip

A - EightTime Limit:5000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1043Appoint description: System Crawler  (2016-01-16)Description

D - FliptileTime Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionFarmer John knows that an intellectually satisfied cow is a happy

Problem Description某省调查乡村交通状况，得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通（但不一定有直接的公路相连，只要能间接通过公路可达即可），并要求铺设的公路总长度为最小。请计算最小的公路总长度。  Input测试输入包含若干测试用例。每个测试用例的第1行给出村庄数目N( ；随后的N(N-1)/2行

Problem Description　　We all use cell phone today. And we must be familiarwith the intelligent English input method on the cell phone. To be specific,the number buttons may correspond to some English

Problem DescriptionAs an Android developer, itˇs really not easy to figure out a newer version of twokernels, because Android is updated so frequently and has many branches.Fortunately, Google ident

Problem DescriptionTom and Jerry are playing a game with tubes andpearls. The rule of the game is:1) Tom and Jerry come up together with a number K. 2) Tom provides N tubes. Within each tube

Problem Description　　You are given a car odometer which displays the milestraveled as an integer. The odometer has a defect, however: it proceeds fromthe digit 2 to the digit 4 and from the digit 7

B - Gold minerTime Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 4341DescriptionHomelesser likes playing Gold miners in class. H