Solved by qquuiet

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	302,545	2.57
1260	DFS와 BFS STANDARD	67,849	2.64
1991	트리 순회	29,943	1.49
2557	Hello World STANDARD	335,113	2.54
10171	Cats STANDARD	172,739	2.83
10172	Dogs STANDARD	169,038	2.35
10718	We love kriii STANDARD	180,724	1.53

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