Solved by seongheon5

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	313,670	2.58
1001	A-B STANDARD	269,286	1.44
1008	A/B STANDARD	221,742	2.90
2557	Hello World STANDARD	346,953	2.54
10171	Cats STANDARD	179,525	2.81
10172	Dogs STANDARD	175,513	2.34
10869	사칙연산 STANDARD	221,563	2.23
10926	??! STANDARD	128,776	1.99
10998	A×B STANDARD	224,143	1.30

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