December 2012 Contest Problem Editorials

Problem Tester for the contest was Hiroto Sekido.

Editorialist for the contest was Ashar Fuadi.

ARIGEOM (written by Ankul Garg). The Editorials can be found here.

BEX (written by Vinayak Garg). The Editorials can be found here

CNTWAYS (written by Ivan Zdomsky). The Editorials can be found here.

DBOY (written by Khadar Basha). The Editorials can be found here.

DIFTRIP (written by Tuan Anh Tran Dang). The Editorials can be found here.

GRANAMA (written by Vamsi Kavala). The Editorials can be found here.

MGCRNK (written by Bruno Oliveira). The Editorials can be found here.

QPOLYSUM (written by Anton Lunyov). The Editorials can be found here

SEREJA (written by Roman Rubanenko). The Editorials can be found here.

WORDNINJ (written by Anton Lunyov). The Editorials can be found here