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2026-11-05 15:10:20
最短路径问题
Time Limit:
1000ms
Memory Limit:
32768KB
This problem will be judged on
HDU
. Original ID:
3790
64-bit integer IO format:
%I64d
Java class name:
Main
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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,如果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<=1000, 0<m<100000, s != t)
Output
输出 一行有两个数, 最短距离及其花费。
Sample Input
3 2 1 2 5 6 2 3 4 5 1 3 0 0
Sample Output
9 11
Source
浙大计算机研究生复试上机考试-2010年
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