Solved by sddragon616

#	Title	# Solved	Avg. Tries
30156	Malvika is peculiar about color of balloons	356	1.19
30802	Welcome Kit	9,810	1.87
31403	$A + B - C$	11,388	1.59
32279	수열의 비밀 (Easy)	249	1.38

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