Solved by hwpark12

#	Title	# Solved	Avg. Tries
7469	K-th Number	1,738	3.10
7453	4 Values whose Sum is 0	5,983	4.41
7420	Wall	911	2.42
7287	Registration STANDARD	59,194	1.92
6850	Cows	602	2.52
6840	Who is in the middle?	3,913	1.31
6810	ISBN	2,679	1.48
6794	What is n, Daddy?	492	1.87
6778	Which Alien?	3,271	1.45
6768	Don’t pass me the ball!	835	1.19
6764	Sounds fishy!	2,141	2.45
6763	Speed fines are not fine!	2,366	1.58
6749	Next in line STANDARD	7,409	1.14
6603	Lotto	24,629	1.80
6591	Binomial Showdown	1,550	3.77
6567	Let it Bead	87	1.20
6549	Largest Rectangle in a Histogram	10,295	3.69
6497	Dark roads	5,208	2.88
6443	Anagram	1,441	3.06
6439	Intersection	729	4.15
6378	Digital Roots	2,663	2.15
6321	IBM minus one STANDARD	2,595	2.04
6223	Cow Sorting	211	1.40
6218	Balanced Lineup	392	1.15
6213	Balanced Lineup	462	1.21
6198	Bad Hair Day	5,757	2.82
6194	Building the Moat	246	1.60
6186	Best Grass	600	1.32
6171	Land Acquisition	553	3.17
6131	Perfect Squares	2,576	1.36
6064	Cain Calendar	14,539	3.72
5988	Even? Odd?	5,963	2.05
5972	Package Delivery	4,017	1.70
5928	Contest Timing	2,358	1.82
5893	Times17	3,463	1.74
5800	Class Statistics	5,518	1.87
5789	Making Decisions	2,546	1.69
5724	Feynman	1,993	1.22
5717	Og	10,952	1.28
5705	Hexagonal Tiles	129	1.43
5692	Factorial Again!	1,830	2.26
5691	Mean Median Problem	1,843	1.24
5676	Interval Product STANDARD	2,369	3.01
5670	Cellphone Typing	2,386	2.94
5639	Binary Search Tree	13,027	2.65
5622	BAKA	72,110	1.71
5618	공약수	3,703	1.99
5615	아파트 임대 STANDARD	1,277	5.10
5613	계산기 프로그램	2,963	1.47
5612	터널의 입구와 출구	2,095	1.89

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