Solved by yt7good

#	Title	# Solved	Avg. Tries
8462	배열의 힘	969	2.41
8393	Sum STANDARD	170,762	1.56
8012	Byteasar the Travelling Salesman	849	1.76
7795	Eat or Be Eaten	7,379	1.98
7785	Easy work	22,512	2.44
7742	Railway	88	2.48
7662	Dual Priority Queue	13,682	4.50
7626	Rectangles	689	4.05
7579	앱 STANDARD	9,823	2.99
7578	공장	3,906	2.55
7576	토마토 STANDARD	54,048	2.66
7575	바이러스	762	2.48
7573	고기잡이	1,092	3.88
7562	Knight Moves STANDARD	27,966	1.89
7453	4 Values whose Sum is 0	7,149	4.40
7432	Disk Tree	823	1.72
6800	Huffman Encoding	110	1.47
6615	Collatz Conjecture	244	3.13
6591	Binomial Showdown	1,631	3.71
6549	Largest Rectangle in a Histogram	11,404	3.61
6543	The Bottom of a Graph	650	1.86
6497	Dark roads	5,887	2.84
6416	Is It A Tree? STANDARD	1,146	4.92
6236	Monthly Expense	4,887	3.43
6073	Secret Message	73	3.00
5972	Package Delivery	5,072	1.71
5971	Meeting Place	79	1.11
5916	Grass Planting	434	1.96
5719	Almost Shortest Path	3,963	5.07
5670	Cellphone Typing	2,787	2.84
5639	Binary Search Tree	14,656	2.61
5622	BAKA	78,572	1.71
5620	가장 가까운 두 점의 거리	733	2.30
5597	Who have not handed in ?	69,699	1.94
5585	거스름돈	27,844	1.52
5576	콘테스트	6,063	1.26
5446	The Great Cleanup	468	2.82
5427	Fire	9,319	3.91
5419	North-Western Winds	1,972	2.90
5052	Phone List	10,581	3.18
5021	Succession	479	2.62
5014	Elevator Trouble	15,964	2.93
4963	How Many Islands? STANDARD	28,417	2.00
4948	Chebyshev's Theorem	36,359	2.55
4803	Trees	5,405	3.02
4485	Obstacle Course	12,749	1.94
4386	Freckles	9,127	1.70
4354	Power Strings	2,545	2.89
4256	Tree	2,744	1.77
4196	Dominos	2,468	3.31

124567891011