Hm, if i understood you correctly then the following code should outputs false <a href="http://ideone.com/4NiqP">http://ideone.com/4NiqP</a>, isn&#39;t it?<br><br><div class="gmail_quote">2012/9/24 Jeremiah Willcock <span dir="ltr">&lt;<a href="mailto:jewillco@osl.iu.edu" target="_blank">jewillco@osl.iu.edu</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Mon, 24 Sep 2012, tolik levchik wrote:<br>
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</div><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Ok, but then graph (A, B) also have cycles. Is that right too?<br>
</blockquote>
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Not if there is only one edge between A and B -- the same edge won&#39;t be considered twice in a cycle in an undirected graph.<span class="HOEnZb"><font color="#888888"><br>
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-- Jeremiah Willcock</font></span><br>_______________________________________________<br>
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