IGO 2016 E1
- Elementary
Ali wants to move from point to point . He cannot walk inside the black areas but he is free to move in any direction inside the white areas (not only the grid lines but the whole plane). Help Ali to find the shortest path between and . Only draw the path and write its length.
by Morteza Saghafian
Dataset text AI-MO AoPS. Quoted with source.
Solutions
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