번호	제목
4118	Fred’s Lotto Tickets
4119	A No-Win Situation
4120	A Walk in the Park
4121	Teleport Out!
4122	Worms
4123	Bridges and Tunnels
4124	Secret Polynomial
4125	Room Painting
4126	Course Scheduling
4127	Tetrahedron Inequality
4128	Cookie Crumbs
4129	Meganominoes
4130	Buying Gas
4131	Modulo Solitaire
4132	Subset Sum
4133	Triangle War
4134	다음 소수
4135	How Big Is It?
4136	Pousse
4137	487-3279