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Title User Message Date Posted
Re: Test cases 7-10 are invalid Alex Fixed Aug 04, 2014 - 2:31:56 pm UTC
Test cases 7-10 are invalid xiaowuc1 g_1, g_n, r_1, r_n are nonzero. Aug 01, 2014 - 6:08:47 am UTC
Hint SourSpinach This is a graph theory problem that's just asking for the shortest path between 2 nodes, made trickier by the presence of traffic lights. The algorithm to use here is called "Dijkstra's", so you can ... Dec 05, 2008 - 1:50:07 am UTC