Solved by jkim001021

#	Title	# Solved	Avg. Tries
1158	요세푸스 문제	41,077	2.04
1991	트리 순회	30,053	1.49
2557	Hello World STANDARD	335,967	2.54
9093	Word Reversal	16,264	1.83
10828	스택	70,880	2.66

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