번호	제목
24836	Animal Observation (easy version)
24837	Animal Observation (hard version)
24838	배열 구간합 놀이
24839	Speed Typing
24840	Challenge Nine
24841	Palindrome Free Strings
24842	Interesting Integers
24843	Friendly Rooks
24844	Guess the Array
24845	Moving Cells
24846	Army of Clones
24847	Haiku
24848	Race
24849	Maximaze XOR sum
24850	Octopus Game
24851	Third Group Exam
24852	Computational ethnography
24853	Work or Sleep!
24854	Permutation Transformation
24855	Natives