The indecisive gardener - Colegiul National Mihail Eminescu (Satu Mare - Roumanie)

Établissement
Colegiul National Mihail Eminescu (Satu Mare - Roumanie)
Année
2018-2019
Résumé
A gardener wants to create zones in his circular garden using strings. How many zones
can we create with n strings, at the most ? We shall also study the following generalisation :
obstacles on the zone, juxtaposition of disks.