Solved by pica4500

#	Title	# Solved	Avg. Tries
5543	상근날드	27,885	1.47
5545	최고의 피자	1,701	2.24
5555	반지	3,184	1.58
5582	공통 부분 문자열	6,708	2.36
5585	거스름돈	27,080	1.52
5586	JOI와 IOI	3,956	1.27
5596	Score	12,231	1.22
5597	Who have not handed in ?	65,103	1.94
5598	The Caesar Cipher	6,710	1.78
5620	가장 가까운 두 점의 거리	717	2.32
5670	Cellphone Typing	2,619	2.88
5676	Interval Product STANDARD	2,505	3.02
6064	Cain Calendar	15,376	3.69
6086	Total Flow	2,644	3.63
6236	Monthly Expense	4,548	3.44
6324	URLs	358	3.82
6359	The Drunk Jailer	6,716	1.40
6378	Digital Roots	2,780	2.13
6497	Dark roads	5,558	2.87
6549	Largest Rectangle in a Histogram	10,933	3.64
6568	Simple Computers	291	4.71
6588	Goldbach's Conjecture	12,315	4.57
6603	Lotto	25,873	1.79
6679	Specialized Four-Digit Numbers	2,908	1.38
7287	Registration STANDARD	61,546	1.92
7343	Calendar Game	61	3.23
7344	Wooden Sticks	179	2.29
7347	Flip and Shift	122	2.17
7348	Moving Tables	173	3.50
7453	4 Values whose Sum is 0	6,608	4.39
7469	K-th Number	1,815	3.08
7562	Knight Moves STANDARD	26,861	1.90
7567	그릇	12,335	1.36
7568	덩치	51,459	1.78
7569	토마토 STANDARD	32,130	2.34
7572	간지(干支)	2,698	1.65
7576	토마토 STANDARD	51,994	2.68
7579	앱 STANDARD	9,188	3.00
7662	Dual Priority Queue	12,883	4.53
7785	Easy work	20,798	2.46
7795	Eat or Be Eaten	6,872	1.98
7800	The Chosen Sub Matrix	72	2.85
7916	Cross Spider	54	4.26
8217	Meteors	434	4.30
8393	Sum STANDARD	165,624	1.56
8907	Neon Sign	417	2.17
8911	Turtle	2,720	1.85
8958	Score	98,736	1.94
9012	Parenthesis	78,313	2.16
9019	DSLR	14,549	4.77

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