Solved by gs25

#	Title	# Solved	Avg. Tries
5250	Shortest paths	196	4.51
5419	North-Western Winds	1,846	2.90
5430	Integer Lists STANDARD	26,222	4.91
5466	Salesman	208	3.76
5470	Linear Garden	63	1.75
5525	IOIOI	10,426	3.36
5530	JOIOI 탑	224	2.48
5542	JOI 국가의 행사	346	2.07
5615	아파트 임대 STANDARD	1,341	5.04
5622	BAKA	74,356	1.71
5639	Binary Search Tree	13,589	2.64
5646	Paths in a Tree	35	3.83
5670	Cellphone Typing	2,518	2.91
5719	Almost Shortest Path	3,696	5.10
5820	경주	590	4.76
5821	쌀 창고	207	2.88
5977	Mowing the Lawn	376	2.59
6064	Cain Calendar	15,064	3.70
6116	Tower of Hay	66	2.55
6171	Land Acquisition	581	3.16
6181	Cow Neighborhoods	83	2.96
6549	Largest Rectangle in a Histogram	10,713	3.66
6989	채점	253	3.69
7420	Wall	960	2.40
7453	4 Values whose Sum is 0	6,401	4.39
7562	Knight Moves STANDARD	26,170	1.91
7568	덩치	50,726	1.78
7569	토마토 STANDARD	31,260	2.34
7576	토마토 STANDARD	50,907	2.69
7578	공장	3,710	2.56
7579	앱 STANDARD	8,885	3.00
7626	Rectangles	630	4.10
7662	Dual Priority Queue	12,540	4.55
7687	Box walking	70	4.39
7785	Easy work	19,997	2.46
7869	Circular Area	1,196	3.37
8008	Sums	32	1.94
8131	Ploughing	137	4.32
8155	Postering	70	1.44
8177	Ice Skates	115	1.72
8202	Conspiracy	79	6.15
8203	Lollipop	84	2.45
8217	Meteors	423	4.32
8230	Squarks	44	2.70
8243	Triumphal arch	66	3.48
8293	Prime prime power	34	8.97
8314	Acyclic Decomposition	52	3.35
8393	Sum STANDARD	163,354	1.56
8462	배열의 힘	890	2.42
8464	Non-Squarefree Numbers	627	3.33

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