July 2010 Contest Problem Editorials

Problem Tester for the contest was Anshuman Singh.

Rearranging Digits (written by Varun Jalan). The Editorials can be found here.

Block Tower (written by David Stolp). The Editorials can be found here.

Happy Days (written by Ivan Mistreanu). The Editorials can be found here.

Adding Least Common Multiples (written by Michael Dorfling). The Editorials can be found here.

Maximal crosses (written by Anh Duong Quang). The Editorials can be found here.

Closest Ranking (written by Zac Friggstad). The Editorials can be found here.