Solved by dhfgth12

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	356,155	2.54
10718	We love kriii STANDARD	182,558	1.53
10870	피보나치 수 5	62,656	1.64
10872	팩토리얼	82,970	1.80
17478	재귀함수가 뭔가요?	20,505	2.55

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