Hackathon

• Yahoo! Open Hack U 2014 at Ochanomizu University
  Developed an iPhone app of money account linking his/her wish list.
• Microsoft Women's Hackathon 2014
  Developed an iPhone game app to simulate rescuing from natural disaster.
• Girls' Tech Lab at Microsoft
  Developed a Windows 8.1 app of othello game.
• Swift1Day at CyberAgent
  Developed an iPhone othello game.
• Yahoo! Open Hack U 2014
  Developed an iPhone alarm app and won the first prize.

Programming Contest

• ICPC 2011 Domestic Contest in Japan
• Google Code Jam 2012
• ICPC 2013 Domestic Contest in Japan
• Google Code Jam 2013
• ... and more!