hdu 3499 Flight (最短路径)】的更多相关文章

Flight Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 2014    Accepted Submission(s): 428 Problem Description Recently, Shua Shua had a big quarrel with his GF. He is so upset that he decides…
Flight Time Limit : 20000/10000ms (Java/Other)   Memory Limit : 65535/65535K (Java/Other) Total Submission(s) : 5   Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Recently, Shua Shua had a big…
Flight Recently, Shua Shua had a big quarrel with his GF. He is so upset that he decides to take a trip to some other city to avoid meeting her. He will travel only by air and he can go to any city if there exists a flight and it can help him reduce…
<题目链接> 题目大意: 现在给你一些点,这些点之间存在一些有向边,每条边都有对应的边权,有一次机会能够使某条边的边权变为原来的1/2,求从起点到终点的最短距离. 解题分析: 分层图最短路模板题,由于最多只能将一条边变成原来的1/2,所以我们在原来二维的图形上多加一层,由第一层到第二层的边代表该边边权为原边权的1/2.就按这种思想跑一遍Dijkstra即可. #include <cstdio> #include <cstring> #include <algori…
Recently, Shua Shua had a big quarrel with his GF. He is so upset that he decides to take a trip to some other city to avoid meeting her. He will travel only by air and he can go to any city if there exists a flight and it can help him reduce the tot…
最短路径问题 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8219    Accepted Submission(s): 2456 [题目链接] http://acm.hdu.edu.cn/showproblem.php?pid=3790 [解题思路]Dijk + heap[单元最短路]既然有两考虑的因素,而且分优先,那么优先队列排列…
主题链接:http://acm.hdu.edu.cn/showproblem.php?pid=3790 Problem Description 给你n个点,m条无向边,每条边都有长度d和花费p,给你起点s终点t,要求输出起点到终点的最短距离及其花费.假设最短距离有多条路线,则输出花费最少的.   Input 输入n,m.点的编号是1~n,然后是m行.每行4个数 a,b,d,p,表示a和b之间有一条边,且其长度为d,花费为p.最后一行是两个数 s,t;起点s,终点.n和m为0时输入结束. (1<n…
HDU Today Time Limit: 15000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 38862    Accepted Submission(s): 9377 Problem Description 经过锦囊相助,海东集团终于度过了危机,从此,HDU的发展就一直顺风顺水,到了2050年,集团已经相当规模了,据说进入了钱江肉丝经济开发区500强.这时候…
Sightseeing Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 639    Accepted Submission(s): 249 Problem Description Tour operator Your Personal Holiday organises guided bus trips across the Benel…
FLIGHT GAME Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 41   Accepted Submission(s) : 10 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 越前龙马跟手冢国光pk飞行棋,但由于两人棋(yun…