Solved by shp101

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	313,512	2.58
1001	A-B STANDARD	269,146	1.44
1475	방 번호	25,261	2.26
1874	스택 수열	47,429	2.60
2557	Hello World STANDARD	346,778	2.54
9012	Parenthesis	76,800	2.16
10773	Zero That Out	57,727	1.47
17298	오큰수	23,833	2.88
28278	스택 2	11,639	2.71

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