Solved by cksdms2938

#	Title	# Solved	Avg. Tries
10950	A+B - 3 STANDARD	164,921	1.71
10951	A+B - 4 STANDARD	132,293	2.77
10989	수 정렬하기 3 STANDARD	59,233	4.19
11726	2×n 타일링	55,136	2.71
14681	Quadrant Selection STANDARD	155,509	1.64
20528	끝말잇기	1,577	1.42

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