June 2010 Contest Problem Editorials

Problem Tester for the contest was David Stolp.

Graph Counting (written by Varun Jalan). The Editorials can be found here.

Tidying Posters (written by Zac Friggstad). The Editorials can be found here.

Prime Pattern (written by Ivan Mistreanu). The Editorials can be found here.

Squirrel and chestnut (written by Anh Duong Quang). The Editorials can be found here.

Pricing Tollbooths (written by Zac Friggstad). The Editorials can be found here.

Robot Game (written by Akhil Ravidas). The Editorials can be found here.