Solved by ddaihyunbin

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	318,441	2.58
1001	A-B STANDARD	273,457	1.44
1008	A/B STANDARD	225,436	2.90
2557	Hello World STANDARD	351,955	2.54
10869	사칙연산 STANDARD	225,308	2.23
10926	??! STANDARD	132,051	1.99
10998	A×B STANDARD	227,859	1.30

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