Solved by magnet1c

#	Title	# Solved	Avg. Tries
28380	Loop Invariant	43	1.35
28381	Mischievous Math	66	4.65
30445	Happy Point	257	3.63
30446	Palindrome Numbers	241	3.06
30449	Reafy Sequence	155	5.10
30451	Safari	45	3.13
30802	Welcome Kit	6,512	1.84
32120	Distance Sum Maximization	50	1.94
32136	소신발언	126	1.91
32166	시험 주행	14	1.79
32169	허술한 보안 프로그램	23	1.48
32380	인생	56	1.91

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