Solved by tarastar

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	343,458	2.54
10171	Cats STANDARD	177,566	2.81
10430	나머지 STANDARD	188,957	1.94
10810	공 넣기	43,240	1.91
10813	공 바꾸기	42,267	1.57
10869	사칙연산 STANDARD	218,890	2.23
11382	꼬마 정민 STANDARD	82,607	2.47

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