Solved by rkfhxh1

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	316,860	2.58
1001	A-B STANDARD	272,084	1.44
2557	Hello World STANDARD	350,315	2.54
2920	NOTE	54,442	1.74
10869	사칙연산 STANDARD	224,057	2.23

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