Solved by walgoo

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	325,082	2.59
1001	A-B STANDARD	279,455	1.45
2557	Hello World STANDARD	359,133	2.54
5525	IOIOI	11,246	3.36
7287	Registration STANDARD	62,902	1.92
10171	Cats STANDARD	186,343	2.79
10172	Dogs STANDARD	182,038	2.33
25083	새싹 STANDARD	74,545	1.88

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