Solved by leehyunbin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	356,155	2.54
7287	Registration STANDARD	62,356	1.92
10171	Cats STANDARD	184,564	2.80
10172	Dogs STANDARD	180,315	2.33
10699	오늘 날짜 STANDARD	36,342	1.84

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