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55 /// \param _G The graph in which the path is. |
55 /// \param _G The graph in which the path is. |
56 /// |
56 /// |
57 Path(const Graph &_G) {} |
57 Path(const Graph &_G) {} |
58 |
58 |
59 /// Length of the path. |
59 /// Length of the path. |
60 size_t length() const {return 0;} |
60 int length() const {return 0;} |
61 /// Returns whether the path is empty. |
61 /// Returns whether the path is empty. |
62 bool empty() const { return true;} |
62 bool empty() const { return true;} |
63 |
63 |
64 /// Resets the path to an empty path. |
64 /// Resets the path to an empty path. |
65 void clear() {} |
65 void clear() {} |