### Benq's blog

By Benq, history, 7 weeks ago, ,

Does anyone have a $O(V^2)$ solution to this problem (available here)? The spoiler describes one but I don't understand what it means when it says to "search for this path backwards," and I can't find a model solution. (However, an $O(EV)$ solution with bitset did pass ...)

• +50

By Benq, 22 months ago, ,

This contest was held on October 22nd, but no solutions have been posted. Any ideas for FGH?

Problems