IL-GILLIS 1998 Problem 7
A polygonal line of the length is given in a unit square. Prove that there exists a line parallel to one of the sides of the square that meets the polygonal line in at least points.
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
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