Paths on a grid - Colegiul National C. Negruzzi (Iași - Roumanie)

Titre du sujet
Paths on a grid
Établissement
Colegiul National C. Negruzzi (Iași - Roumanie)
Année
2016-2017
Résumé
In this article, we are counting paths that join two opposite corners of a rectangular grid. The grid is supposed to represent the street map of a town center. Two grid sizes and various traffic restrictions are considered.