Solved by leehk_py

#	Title	# Solved	Avg. Tries
6118	Hide and Seek	3,664	1.76
6131	Perfect Squares	2,749	1.37
6135	Cow Hurdles	133	1.65
6137	Best Cow Line	812	4.02
6146	Mud Puddles	357	1.41
6148	Bookshelf 2	219	2.16
6159	Costume Party	849	1.77
6186	Best Grass	727	1.33
6198	Bad Hair Day	6,370	2.82
6209	River Hopscotch	750	2.43
6213	Balanced Lineup	502	1.21
6218	Balanced Lineup	408	1.15
6236	Monthly Expense	4,537	3.45
6248	Bronze Cow Party	211	1.69
6321	IBM minus one STANDARD	2,702	2.03
6359	The Drunk Jailer	6,705	1.40
6378	Digital Roots	2,775	2.13
6443	Anagram	1,544	3.02
6497	Dark roads	5,530	2.87
6543	The Bottom of a Graph	632	1.87
6549	Largest Rectangle in a Histogram	10,900	3.65
6550	All in All	2,330	2.55
6588	Goldbach's Conjecture	12,298	4.57
6591	Binomial Showdown	1,574	3.76
6593	Dungeon Master	7,523	2.56
6597	Tree Recovery	410	1.89
6603	Lotto	25,812	1.80
6679	Specialized Four-Digit Numbers	2,908	1.38
6749	Next in line STANDARD	7,763	1.14
6810	ISBN	2,877	1.48
6840	Who is in the middle?	4,456	1.33
6987	월드컵	3,366	3.42
6996	Anagrams	3,830	1.93
7044	Bad Cowtractors	229	1.90
7113	Rectangle	187	1.79
7287	Registration STANDARD	61,421	1.92
7432	Disk Tree	764	1.72
7453	4 Values whose Sum is 0	6,581	4.40
7469	K-th Number	1,811	3.09
7490	Zero	3,984	2.06
7510	Higher Math	3,299	2.03
7511	Poking the Social	968	2.51
7562	Knight Moves STANDARD	26,760	1.90
7567	그릇	12,305	1.36
7568	덩치	51,360	1.78
7569	토마토 STANDARD	32,013	2.34
7570	줄 세우기	2,396	2.48
7571	점 모으기	1,205	2.76
7572	간지(干支)	2,698	1.65
7573	고기잡이	1,031	3.81

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