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642 |
642 |
643 ///Finds the %DFS path between \c s and \c t. |
643 ///Finds the %DFS path between \c s and \c t. |
644 /// |
644 /// |
645 ///\return The length of the %DFS s---t path if there exists one, |
645 ///\return The length of the %DFS s---t path if there exists one, |
646 ///0 otherwise. |
646 ///0 otherwise. |
647 ///\note Apart from the return value, d.run(s) is |
647 ///\note Apart from the return value, d.run(s,t) is |
648 ///just a shortcut of the following code. |
648 ///just a shortcut of the following code. |
649 ///\code |
649 ///\code |
650 /// d.init(); |
650 /// d.init(); |
651 /// d.addSource(s); |
651 /// d.addSource(s); |
652 /// d.start(t); |
652 /// d.start(t); |