Solved by opera_tive

#	Title	# Solved	Avg. Tries
13216	Badminton	228	1.30
13221	Manhattan	475	1.31
13222	Matches	545	1.15
13223	Sodium	1,101	2.77
13224	Chop Cup	405	1.07
13225	Divisors	859	1.14
13226	Divisors Again	182	1.40
13227	TicTacToe	162	1.83
13228	The REAL Manhattan distance	463	1.10
13229	Selection Sum	309	1.20
13234	George Boole	512	1.29
13235	Palindromes	2,211	1.40
13236	Collatz Conjecture	802	1.30
13237	Binary tree	253	1.28
13238	Bitcoin investment	204	1.13
13239	Combinations	241	1.38
13240	Chessboard	687	1.20
13241	LCM	14,196	1.59
13242	Harps and Tails	35	1.34
13244	Tree	737	1.96
13250	주사위 게임	489	1.49
13251	조약돌 꺼내기	2,064	2.33
13261	탈옥	561	2.40
13264	접미사 배열 2	498	1.64
13275	가장 긴 팰린드롬 부분 문자열	936	1.90
13277	큰 수 곱셈	9,737	1.45
13278	피보나치 합의 개수	44	3.27
13279	곱의 합 쿼리	204	4.59
13280	Selection of Participants of an Experiment	135	1.10
13281	Look for the Winner!	60	1.32
13288	A New Alphabet	203	1.70
13297	Quick Estimates	598	1.20
13298	Robotopia	87	3.59
13300	방 배정	10,531	1.67
13301	타일 장식물	6,062	1.93
13304	방 배정	1,950	1.66
13305	주유소	23,151	2.56
13308	주유소	1,095	4.00
13311	행운의 편지	1,744	1.79
13316	std::정렬부터 시작하는 디버깅 생활	391	2.60
13322	접두사 배열	859	1.64
13323	Sequence 1	593	1.68
13324	Sequence 2	440	1.81
13325	Binary Tree	1,419	1.83
13333	Q-Index	1,337	2.52
13334	Railway	3,183	2.67
13335	Trucks	7,567	1.75
13343	Block Game	187	1.40
13345	Completing the Square	123	1.20
13361	Highest Tower	315	2.62

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