Solved by lordnet

#	Title	# Solved	Avg. Tries
4195	Virtual Friends	9,887	3.63
4198	Trainsorting	489	4.18
4243	Security	466	2.90
4781	Candy Store	2,092	4.23
4792	Red/Blue Spanning Tree	1,148	2.51
4883	Tri graphs	2,441	3.78
4991	Cleaning Robot	2,926	3.10
5052	Phone List	10,698	3.17
5397	Keylogger	14,076	3.54
5498	Batch Scheduling	105	1.43
5525	IOIOI	11,655	3.36
5527	전구 장식	399	1.97
5528	달려라 IOI 열차	135	3.59
5529	저택	162	5.31
5531	버블 정렬	50	6.14
5538	JJOOII (JJOOII)	65	2.85
5539	たのしいカードゲーム (Card Game is Fun)	81	4.62
5540	夜店 (Night Market)	55	1.65
5541	釘 (Nails)	138	2.05
5542	JOI 국가의 행사	404	2.03
5549	행성 탐사	1,114	1.99
5550	헌책방	177	1.84
5551	쇼핑몰	160	2.38
5557	1학년	8,239	2.09
5573	산책	939	2.12
5582	공통 부분 문자열	7,086	2.34
5626	JEDAN	682	3.58
5719	Almost Shortest Path	4,004	5.07
5721	Candy Distribution	755	2.42
6171	Land Acquisition	641	3.13
6359	The Drunk Jailer	6,884	1.40
6549	Largest Rectangle in a Histogram	11,514	3.61
6988	타일 밟기	459	4.08
7453	4 Values whose Sum is 0	7,254	4.40
7469	K-th Number	1,884	3.06
7578	공장	3,923	2.55
7579	앱 STANDARD	10,002	2.99
7812	Tree Median	567	2.86
8452	그래프와 쿼리	255	3.78
8872	빌라봉	479	3.56
8913	String Popping	311	2.71
8958	Score	101,326	1.93
8983	사냥꾼	3,651	2.91
8984	막대기	577	2.67
8986	전봇대	1,009	3.39
9012	Parenthesis	82,412	2.14
9084	동전	8,804	1.48
9095	Adding 1s, 2s, and 3s	64,193	1.54
9184	Function Run Fun	17,659	2.33
9205	Kastenlauf	11,821	2.48

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