Solved by mujigae

#	Title	# Solved	Avg. Tries
13280	Selection of Participants of an Experiment	135	1.10
13277	큰 수 곱셈	9,750	1.45
13275	가장 긴 팰린드롬 부분 문자열	936	1.90
13269	쌓기나무	171	2.51
13265	색칠하기	781	2.46
13255	동전 뒤집기	214	1.64
13251	조약돌 꺼내기	2,064	2.33
13241	LCM	14,245	1.59
13240	Chessboard	687	1.20
13238	Bitcoin investment	204	1.12
13237	Binary tree	253	1.28
13236	Collatz Conjecture	803	1.30
13235	Palindromes	2,211	1.40
13234	George Boole	512	1.29
13228	The REAL Manhattan distance	463	1.10
13226	Divisors Again	182	1.40
13225	Divisors	862	1.14
13224	Chop Cup	411	1.07
13223	Sodium	1,103	2.76
13222	Matches	548	1.15
13221	Manhattan	475	1.31
13216	Badminton	228	1.30
13193	Router 2	60	1.23
13192	Router 1	62	1.37
13172	Σ	2,864	2.17
13171	A	1,320	2.34
13164	행복 유치원	4,552	1.78
13163	닉네임에 갓 붙이기	2,245	1.50
13161	분단의 슬픔	621	4.64
13155	Common Knowledge	179	1.07
13153	Formula	149	1.58
13144	List of Unique Numbers	2,830	2.92
13140	Hello World!	666	2.86
13136	Do Not Touch Anything	3,080	1.85
13129	Disposable Cup	498	1.24
13118	뉴턴과 사과	2,615	1.66
13116	30번	1,218	1.87
13075	Fibonacci Sequence	366	1.21
13073	Sums	582	1.26
13064	Cameras	134	1.90
13063	Lobby	267	1.90
13040	Important Test	50	2.04
13034	다각형 게임	694	1.55
13023	ABCDE	12,785	3.45
13018	특이한 수열	252	2.03
13015	별 찍기 - 23	2,514	1.50
12993	이동3	197	2.38
12981	공 포장하기	423	2.72
12971	숫자 놀이	314	2.11
12970	AB	1,127	2.19

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