题意: 第一行输入N M C ,表示从1到N有M条无向边,现在要从1走到N 走C次完全不同的路径,求最长边的最小值.下面M行是从a点到b点的距离. 建图: 题上说从两点之间可以有多条边,问的是从1~N的C种走法,所走路径上的最大边最小可以是多少,所以我们用结构体来储存点的距离,用二分搜索中的mid来假设成最大边的值,那么其他边都要小于等于它,然后根据mid建图,两点之间的边数作为容量网络的边权,也就是两点间的容量,(Dinic跑一遍)求出一个最大流,看它与C的关系,如果C大于它,说明mid太小,
点击打开链接 Borg Maze Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7097 Accepted: 2389 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used t
这个题我看了,都是推荐的神马双向广搜,难道这个深搜你们都木有发现?还是特意留个机会给我装逼? Open the Lock Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3014 Accepted Submission(s): 1323 Problem Description Now an emergent task for you
Catch That Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 45648 Accepted: 14310 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00
POJ 3126 Prime Path Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16204 Accepted: 9153 Description The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change
POJ 1426 Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 25734 Accepted: 10613 Special Judge Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representati
Rescue Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 14 Accepted Submission(s) : 7 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Angel was caught by the MOLIGPY
Open the Lock Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3847 Accepted Submission(s): 1661 Problem Description Now an emergent task for you is to open a password lock. The password is co