#구현 implementation

#	제목	푼 사람 수	평균 시도
6845	Federal Voting Age	189	1.24
6846	Boxes	26	1.69
6855	The New CCC (Canadian Calorie Counting) STANDARD	13	1.46
6857	Cell-Phone Messaging	27	1.19
6859	CCC Othello	6	1.00
6860	Maternity	44	1.48
6861	Attack of the CipherTexts	17	3.35
6863	Groups	10	1.90
6871	The Cell Sell STANDARD	77	2.44
6873	Returning Home	17	1.06
6874	Cross Spiral	5	1.20
6876	Snow Calls	66	1.18
6877	Mouse Move	58	1.26
6878	Quantum Operations	4	1.00
6889	Smile with Similes	248	1.12
6890	Simple Encryption	56	1.07
6891	Fractals	2	1.00
6892	Fix	50	1.62
6893	TopYodeller	20	2.35
6894	Spreadsheet	4	1.50
6897	Scribble	7	2.43
6899	S and K	3	2.67
6903	Trident	180	1.44
6904	Picture Perfect	66	1.53
6905	Snakes and Ladders	32	1.69
6906	Poetry	17	2.65
6910	BFed	4	2.50
6916	0123456789 STANDARD	459	3.48
6917	AmeriCanadian	69	1.90
6918	The Students' Council Breakfast	52	1.65
6929	Dressing Up	88	1.08
6931	Keeping Score	8	1.13
6941	Calendar	34	1.82
6942	9966	51	1.47
6943	Slot Machines	31	1.81
6948	Subsets	7	1.43
6954	Card Game	10	1.10
6959	You Can't Get There From Here	10	2.20
6965	Censor	149	1.60
6970	Sentences	84	2.49
6972	Double Knockout Competition	10	5.40
6975	Deficient, Perfect, and Abundant	339	2.04
6976	Divisibility by 11	161	4.04
6978	When in Rome...	19	2.26
6980	Train Swapping	46	1.39
6983	Where's Waldorf?	25	3.76
6986	절사평균	1,350	4.40
6990	달팽이	40	12.73
6992	Arithmetic Sequence	91	1.46
6993	Shift Letters	131	1.22

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