题目传送门 题目描述 “这一切都是命运石之门的选择.”试图研制时间机器的机关SERN截获了中二科学家伦太郎发往过去的一条短 信,并由此得知了伦太郎制作出了电话微波炉(仮).为了掌握时间机器的技术,SERN总部必须尽快将这个消息通过地下秘密通讯 网络,传达到所有分部.SERN共有N个部门(总部编号为0),通讯网络有M条单向通讯线路,每条线 路有一个固定的通讯花费$C_i$.为了保密,消息的传递只能按照固定的方式进行:从一个已知消息的部门向 另一个与它有线路的部门传递(可能存在多条通信线路).我们定…

题目传送门 有个中文版的题面...和原题稍有不同 /* Description “这一切都是命运石之门的选择.” 试图研制时间机器的机关SERN截获了中二科学家伦太郎发往过去的一条短信,并由此得知了伦太郎制作出了电话微波炉(仮). 为了掌握时间机器的技术,SERN总部必须尽快将这个消息通过地下秘密通讯网络,传达到所有分部. SERN共有N个部门(总部编号为0),通讯网络有M条单向通讯线路,每条线路有一个固定的通讯花费Ci. 为了保密,消息的传递只能按照固定的方式进行:从一个已知消息的部门向另一个…

题意:给一个有向图,问要从0号点能到达所有点所需要经过路径的最小权值和是多少,然而,若两点强联通,则这两点互相到达不需要花费.保证0号点能到达所有点 tarjan缩点以后直接取每个点入边中花费最小的即可. #include<cstdio> #include<cstring> #include<algorithm> #include<vector> #include<queue> #include<cmath> #include<…

Intelligence System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3414    Accepted Submission(s): 1494 Problem Description After a day, ALPCs finally complete their ultimate intelligence syste…

Intelligence System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1650    Accepted Submission(s): 722 Problem Description After a day, ALPCs finally complete their ultimate intelligence syste…

Intelligence System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2909    Accepted Submission(s): 1259 Problem Description After a day, ALPCs finally complete their ultimate intelligence syst…

Intelligence System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 982    Accepted Submission(s): 440 Problem Description After a day, ALPCs finally complete their ultimate intelligence system,…

Intelligence System Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1904    Accepted Submission(s): 824 Problem Description After a day, ALPCs finally complete their ultimate intelligence system…

Intelligence System Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 57 Accepted Submission(s): 27   Problem Description After a day, ALPCs finally complete their ultimate intelligence system, the…

Intelligence System Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 2   Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description After a day, ALPCs…