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The 13th Annual All-Japan High School Computing Contest "PC Koshien 2015" was held at the University of Aizu over the weekend of November 7-8, 2015. This year's qualifying round saw 1,996 individuals from 664 teams apply. From among those teams, the top 72 individuals from 32 teams competed in this year's main competition.

This year's Programming Division Finals had 48 contestants from 24 teams. In the competition, contestants have four hours to create programs to answer questions of varying difficulty levels, and the team with the most points wins. The team that won this year's grand prize was "Direct (choku)" from Senior High School at Komaba, University of Tsukuba (Tokyo). They were also the only team to correctly answer every question.

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Scenes from the competition (left, right)

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These contestants are holding the balloons representing the points they earned (left), This year's winners earned a perfect score! (right)

Eight teams of 24 contestants participated in the Mobile Division. Creating Android applications based on this year's theme of "environment," the teams competed through presentations and demonstration sessions.
Each team gave inventive presentations and conveyed the appeal of their application.

 This year's Grand Prize winners were the team "PATAPATA" from the National Institute of Technology, Suzuka College, who created an application based on their real experiences that struck a chord with the judges. Team "Chocolat Mousse" from the Okinawa National College of Technology who won the Best Idea Prize received high praise for the number of useful ideas they had implemented. In addition, Mobile Division first-timers "Ichiyazuke Kobo @ Nurumayu" from the Fukushima National College of Technology managed to win the Best Design Prize for their application "ection: an application for global warming prevention," which is designed to help with the reduction of CO2 emissions.

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Idea-packed presentation by Chocolat Mousse (left), Ichiyazuke Kobo @ Nurumayu giving a demonstration to the judges (right)

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Booth of Best Design Prize winners Ichiyazuke Kobo @ Nurumayu (left), Members of winning team PATAPATA showing their delight (right)

Prize Team Application Overview School Prefecture
Grand Prizee PATAPATA Kawai-TIME Detects changes in the weather and lets users know the best time to bring in the laundry National Institute of Technology, Suzuka College Mie
Best Idea Prize Chocolat Mousse Bento-Keikaku Helps to improve your "food environment" by helping users select colorful menus, shop for ingredients, and create bento boxes Okinawa National College of Technology Okinawa
Best Design Prize Ichiyazuke Kobo @ Nurumayu ection: an application for global warming prevention Displays the reduction of CO2 emission generated by certain actions in order to support ecological activities Fukushima National College of Technology Fukushima

Over the two-day event, there was a display of the winning One Image CG Division works and works from ASIAGRAPH 2015, a corner for demonstrations of original games created by the UoA Planning and Development Club, a corner for trying out the latest smartphones and other items provided by the event's sponsors, free servings of pumpkin soup from Yamagiwa Shokusai Kobo, booths by the event sponsors, a corner for painting okiagari-koboshi dolls, and a drawing to win local Aizu products.

The winning works from the One Image CG Division and details on competition are available on the PC Koshien website.

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