Looking for a problem in topcoder

Revision en1, by thg20, 2018-02-25 07:12:01

This is a div 1 medium problem. Given 2 points in plane. Some other points are block. Find shortest path between 2 given points. Do any of you remember which srm it belongs to?

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en1 English thg20 2018-02-25 07:12:01 213 Initial revision (published)