Solved by haru_i

#	Title	# Solved	Avg. Tries
1068	트리	14,721	3.41
1157	단어 공부	98,162	2.51
1269	대칭 차집합	19,196	1.54
1406	editor	24,936	3.72
1874	스택 수열	47,334	2.60
2557	Hello World STANDARD	346,358	2.54
2941	LJESNJAK	72,698	2.24
6542	Assistance Required	27	2.44
14797	Alphabet Cake (Small)	67	1.39
17298	오큰수	23,761	2.88
18882	Cowntact Tracing	113	3.68

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