Solved by qkrlwsnd

#	Title	# Solved	Avg. Tries
30293	Sieve Game	104	1.69
30704	정사각형 연결하기	139	1.71
30802	Welcome Kit	6,078	1.83
30804	Fruit Tanghulu	2,136	2.93
30805	Lexicographically Largest Common Subsequence	776	3.26
30860	Product Delivery	91	1.64
31395	Number of Sorted Contiguous Subsequences	511	2.02
31403	$A + B - C$	7,344	1.56
31462	삼각 초콜릿 포장 (Sweet)	216	2.72
31563	수열 회전과 쿼리	175	2.72
31997	즐거운 회의	100	2.25

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