번호	제목
7086	Sailing race
7087	Tickets
7088	Word counting
7093	The Running Man
7094	Task Execution
7095	Factorials
7096	Street Network
7097	Cycle Detection
7098	QuadTrees
7106	Wonderful Fours
7107	Journey of A Knight
7108	Billiards
7109	The Value of an Expression
7110	The Folded Sheet
7111	The Strange Sequence
7112	Cutting Out of Factorials
7113	Rectangle
7114	Numbers
7115	Circle
7116	Series