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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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
06:27:20
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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
06:27:20
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