#구현 implementation

#	제목	푼 사람 수	평균 시도
8345	A Cat on a Keyboard	47	2.09
6767	A Coin Game	10	1.20
20377	A Colorful Problem	45	1.58
4757	A Contesting Decision	68	1.16
5169	A Fistful of Dollars	42	1.17
4318	A flea on a chessboard	23	3.26
25850	A Game Called Mind	145	1.17
6508	A Game with Marbles	78	1.35
14971	A Garden with Ponds	21	1.05
20387	A Logical Problem	4	2.75
13500	A Midsummer Night’s Dream	7	1.57
13288	A New Alphabet	169	1.72
4119	A No-Win Situation	12	2.67
19506	A Poor King	3	2.67
4694	A Puzzling Problem	8	2.38
21156	A Rank Problem	57	1.58
13880	A Rational Sequence (Take 3)	25	1.00
4466	A Smart Brain is a Tasty Brain	34	2.56
5976	A spiral walk	133	1.29
4912	A Tale from the Dark Side of The Moon	29	5.48
11762	A Towering Problem	67	1.28
28145	A Tree and Two Edges	13	2.77
22484	A Two Floors Dungeon	12	1.42
21001	A Very Different Word	31	2.87
6380	A Well-Formed Problem	10	3.00
1000	A+B STANDARD	297,342	2.56
30917	A+B - 10 (제1편)	456	1.64
2558	A+B - 2 STANDARD	70,643	1.38
10950	A+B - 3 STANDARD	152,395	1.71
10951	A+B - 4 STANDARD	121,612	2.78
10952	A+B - 5 STANDARD	132,462	1.91
11021	A+B - 7 STANDARD	126,341	2.04
11022	A+B - 8 STANDARD	122,504	1.46
31430	A+B - 투 스텝	105	2.26
18014	A+B Problem	8	1.00
1001	A-B STANDARD	254,705	1.44
1008	A/B STANDARD	208,620	2.90
15792	A/B - 2	1,744	2.73
7637	AAAAHH! Overbooked!	79	1.43
11168	Abandon Ship	8	5.00
3047	ABC	5,456	1.53
25574	ABC 배열 놀이	9	2.00
19774	ABCD-код	230	1.14
10693	Abdelrahman	165	1.26
6770	Absolutely Acidic	37	1.46
26863	Absolutely Flat	171	1.51
5430	AC STANDARD	24,206	4.95
23103	Academic Distance	227	1.14
31507	Acceptable Seating Arrangements	6	1.17
23767	Access Denied	44	2.00

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