why wa #1 ?
I found the first test:
here is test 1:
4 6
1 2 40
1 3 50
1 40 60
2 3 10
2 4 30
3 4 20
one answer: 2 3 4
but my programm outputs 2 3 4
WHY WA????

Edited by author 14.07.2009 17:38

Your test is incorrect!!!

for the task input answer :
1 2 5 3
No solution.

is rigth?

my answer for the task input
1 3 5 2
No solution.
this is the same with the task output
why wa?
what is the first test?

In the town there are N crossing points numbered from 1 to N and M two-way roads numbered from 1 to M.

Why there is a crossing point numbered 40?