Solved by jsk04300

#	Title	# Solved	Avg. Tries
22193	Multiply	3,999	1.51
23235	The Fastest Sorting Algorithm In The World	2,652	1.55
23972	악마의 제안	1,033	3.67
25083	새싹 STANDARD	69,376	1.89
25304	영수증	73,851	1.80
27866	문자와 문자열 STANDARD	52,358	1.48
29863	Arno's Sleep Schedule	1,501	1.62
30802	Welcome Kit	6,258	1.84

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