Ankur Moitra Problem Set 5 Solutions

نویسنده

  • Ankur Moitra
چکیده

So it suffices to consider the following two candidates for the shortest path from v and w. The first candidate follows a crossing edge to the opposite v′ of v, and then navigates around the cycle C2n to the target vertex w. The second candidate uses no crossing edges, and simply navigates around C2n. The first of these has length 1 + cv′w, and the second of these has length cvw; so to find a shortest path from v to w, we compare these two quantities and choose either the first or second candidate to yield the smaller length.

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تاریخ انتشار 2014