#이분 탐색 binary_search

#	제목	푼 사람 수	평균 시도
19517	Less Time, More Profit	6	1.33
24111	戦国時代 (Sengoku)	18	1.33
24999	Prom	24	1.33
28197	Exact Subsequences	6	1.33
28412	Метрострой	6	1.33
28976	Кольцевые дороги	3	1.33
29747	Soccer Stadium	3	1.33
31650	Maximizing Productivity	38	1.34
17726	Inheritance	26	1.35
24331	ДВА АЛБУМА	26	1.35
26096	슈퍼 블랙잭	20	1.35
15338	String Puzzle	39	1.36
27198	kex	25	1.36
5460	양궁	11	1.36
8626	Statki kosmiczne	11	1.36
6698	Ball bearings	8	1.38
15605	Glyph Recognition	31	1.39
23856	Optimal Truck	5	1.40
26062	Туристы, достопримечательности и телескопы	10	1.40
29940	Sum	37	1.41
18432	JJOOII 2	71	1.41
16448	Gasolina	12	1.42
26776	Próg kwalifikacyjny	12	1.42
22274	Keylogger	26	1.42
8568	Skoczki	7	1.43
19895	Обмен валюты	7	1.43
27208	Melons	14	1.43
27582	Greedy Increasing Subsequences	7	1.43
25280	Marathon	30	1.43
24291	QUEUE	16	1.44
5526	ダーツ (Darts)	47	1.45
18074	High Load Database	22	1.45
27336	ジョイ四人組 (JOI04)	24	1.46
12388	Safety in Numbers (Small)	13	1.46
18622	Dedenne	13	1.46
15526	Revenge of the Endless BFS	15	1.47
3195	ribari	17	1.47
13371	Dolphin	47	1.49
1777	순열복원	673	1.50
4121	Teleport Out!	2	1.50
7536	Jamie's Contact Groups	2	1.50
12417	일조량 (Small)	2	1.50
12499	Revenge of the Hot Dogs (Small)	12	1.50
14336	Coggle	2	1.50
15863	Worm Worries	2	1.50
17861	Taxed Editor	6	1.50
18550	Game X	12	1.50
19966	Мостостроение	4	1.50
21496	Вырубка леса	6	1.50
22882	시험 문제 출제	58	1.50

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