Problem 1003 which path?

code_ | 2015-02-14 19:51:27Author
she would write down the longest edge on this path
admin | 2015-02-14 19:53:56# 1
RE:which path?
从Gorwin的city到Vivin的city的路径。
code_ | 2015-02-14 19:54:54# 2
RE:which path?
。。。。两点不止一条路啊
admin | 2015-02-14 19:55:37# 3
RE:which path?
No response
Mercurial1 | 2015-02-14 20:21:21# 4
RE:which path?
不是说了树形结构还能两条路?