번호	제목
19261	Enumeration of Tournaments
19262	Fresh Matrix
19263	Game of Chairs
19264	Hung Fu
19265	Is It a p-drome?
19266	Journey
19267	Kid's Nightmare
19268	Lazy Student
19269	Vacant Seat
19270	Colorful Doors
19271	Construct Point
19272	Knapsack and Queries
19273	XorTree
19274	Antennas On Tree
19275	Rectangles
19276	Generalized Insertion Sort
19277	ADD, DIV, MAX
19278	Simple APSP Problem
19279	Forest Task
19280	Ability Draft