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DescriptionIn the year 2012, Departyment finally finished building Freedam. From then on, all people can only smilence in the Chintranet. If you want to go some where, you need to obey some rules.One day, Shitizen wants to go somewhere. He(/she/it?) starts from (X, 0), and wants to go to any place w 阅读全文
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http://soj.me/show_problem.php?pid=1001&cid=10041001. Black MagicDescriptionBelieve it or not, there is a powerful black magic, invented by Mage Philia, which will make one person fall in love with an OTAKU. Needless to say, this is the ultimate goal for all of you. However, in order to learn th 阅读全文