Solved by qquuiet

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	331,644	2.59
1260	DFS와 BFS STANDARD	76,341	2.60
1991	트리 순회	34,436	1.49
2557	Hello World STANDARD	366,522	2.54
10171	Cats STANDARD	190,257	2.78
10172	Dogs STANDARD	185,744	2.33
10718	We love kriii STANDARD	183,247	1.53

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