NAPROCK has co-sponsored the College of Technology Programming Contest (Kosen Procon) since 2008, and started to sponsor the NAPROCK international programming contest since 2009. In this year, the NAPROCK 6th international programming contest is held with the 25th Kosen Procon. This contest aims to promote flexibility of thinking through programming, at a very high level. At the contest, students from kosens or universities compete with each other by utilizing knowledge and ideas in information processing technology they have learned everyday of their lives. It is required for them to make full use of the latest and evolving information processing technology