olymmath

ILL 1969 Problem 20

    (FRA3)(FRA 3) A polygon (not necessarily convex) with vertices in the lattice points of a rectangular grid is given. The area of the polygon is S.S. If II is the number of lattice points that are strictly in the interior of the polygon and B the number of lattice points on the border of the polygon, find the number T=2S−B−2I+2.T = 2S- B -2I + 2.

    Dataset text AoPS wiki problems. 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.

    Add a solution

    Similar problems

    These problems have the most words in common with this statement.

    Locator ill/1969/p20 · Tag AZACT1TBEV · Edit this page on GitHub · Keys: j next, k previous