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Discussion of Problem 1314. Chase in Subway

What does this sentence mean?
Posted by Failed Peter 20 Apr 2004 15:52
the length of a route is determined by the number of spans only

But what's span?!
Re: What does this sentence mean?
Posted by tbtbtb 20 Apr 2004 16:31
span of nodes, I think.
Re: What does this sentence mean?
Posted by A. Mironenko 20 Apr 2004 16:46
Read following few words - definition of span is there
Re: What does this sentence mean?
Posted by Failed Peter 21 Apr 2004 13:09
 (in the subway, a span is a tunnel between two adjacent stations).

but i still don't know...
Re: What does this sentence mean?
Posted by Thadeu Russo - UAM 21 Apr 2004 22:51
Spans are edges...
Re: What does this sentence mean?
Posted by JerryDream 30 Apr 2020 13:37
Span are edges!(I have no word to say~~~)
Failed Peter wrote 21 April 2004 13:09
(in the subway, a span is a tunnel between two adjacent stations).

but i still don't know...