0402仕様書無しさん
2018/03/15(木) 10:05:28.16https://community.topcoder.com/longcontest/?module=ViewActiveContests
https://community.topcoder.com/longcontest/?module=ViewProblemStatement&compid=61685&rd=17092
https://apps.topcoder.com/forums/?module=ThreadList&forumID=623374