Solved by bum103103

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	334,595	2.60
1100	하얀 칸	19,135	1.39
1406	editor	27,254	3.69
2447	별 찍기 - 10	34,784	1.78
2557	Hello World STANDARD	369,817	2.53
5639	Binary Search Tree	14,988	2.61
11729	하노이 탑 이동 순서	38,930	1.95

1