IOI 2014
Game: Jonathan Mosheiff and Nir Lavee, IOI 2014. CC BY 3.0: https://creativecommons.org/licenses/by/3.0/. Original: https://www.ioi2014.org/competition/images/tasks/day1/game/game.pdf Wall: Bartosz Tarnawski, IOI 2014. CC BY 3.0. Original: https://www.ioi2014.org/competition/images/tasks/day1/wall/wall.pdf Friend: Sun-Yuan Hsieh, IOI 2014. CC BY 3.0. Original: https://www.ioi2014.org/competition/images/tasks/day2/friend/friend.pdf Gondola: Michal Forišek, IOI 2014. CC BY 3.0. Original: https://www.ioi2014.org/competition/images/tasks/day2/gondola/gondola.pdf