Solved by haru_i

#	Title	# Solved	Avg. Tries
1068	트리	16,299	3.36
1157	단어 공부	104,612	2.49
1269	대칭 차집합	21,791	1.53
1406	editor	27,254	3.69
1874	스택 수열	51,634	2.57
2557	Hello World STANDARD	369,817	2.53
2941	LJESNJAK	78,149	2.24
6542	Assistance Required	35	3.03
14797	Alphabet Cake (Small)	72	1.36
17298	오큰수	26,430	2.84
18882	Cowntact Tracing	126	3.56

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