Solved by bluefire

#	Title	# Solved	Avg. Tries
18314	Non-Decreasing Subsequences	58	3.53
18316	Time is Mooney	184	2.30
18781	Help Yourself (Gold)	119	1.90
18782	Delegation (Gold)	96	2.44
18874	Haircut	137	1.53
18875	Favorite Colors	58	3.07
19455	Bitwise Queries	128	3.13
20641	Sleeping Cows	39	1.72
20654	음료수는 사드세요 제발	57	2.07

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