Solved by ehdus022191

#	Title	# Solved	Avg. Tries
30804	Fruit Tanghulu	2,416	2.95
30805	Lexicographically Largest Common Subsequence	856	3.25
31403	$A + B - C$	8,194	1.57
31628	가지 한 두름 주세요	755	1.57

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