Discussion @ 1272. Non-Yekaterinburg Subway @ Timus Online Judge

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Discussion of Problem 1272. Non-Yekaterinburg Subway

The O(n) algorithm

Posted by wangyin 19 Aug 2006 18:40

Use Union-find set...

Re: The O(n) algorithm

Posted by {SESC USU} Averin Artyom 12 Jun 2010 14:17

Or just DFS.