Solved by tea2403

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	346,558	2.54
3190	zmija	23,275	2.41
5430	Integer Lists STANDARD	26,173	4.92
7287	Registration STANDARD	60,644	1.92
10171	Cats STANDARD	179,294	2.81
10699	오늘 날짜 STANDARD	34,438	1.84
17478	재귀함수가 뭔가요?	19,852	2.55

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