Solved by cnocycle

#	Title	# Solved	Avg. Tries
7490	Zero	3,501	2.05
7476	Greatest Common Increasing Subsequence	223	5.74
7469	K-th Number	1,712	3.11
7453	4 Values whose Sum is 0	5,751	4.42
7420	Wall	876	2.41
6850	Cows	587	2.55
6603	Lotto	24,260	1.80
6588	Goldbach's Conjecture	11,593	4.56
6549	Largest Rectangle in a Histogram	10,071	3.69
6543	The Bottom of a Graph	595	1.89
6497	Dark roads	5,064	2.90
6439	Intersection	716	4.18
6300	Word Puzzles	52	2.73
6236	Monthly Expense	4,110	3.47
6206	Milk Patterns	131	2.35
6198	Bad Hair Day	5,563	2.82
6156	Cow Contest	278	1.58
6087	Laserphones	2,760	4.31
6064	Cain Calendar	14,256	3.73
5905	Video Game	77	1.69
5735	Emoticons :-)	134	3.63
5719	Almost Shortest Path	3,437	5.12
5676	Interval Product STANDARD	2,328	3.02
5670	Cellphone Typing	2,327	2.96
5639	Binary Search Tree	12,759	2.64
5626	JEDAN	590	3.46
5585	거스름돈	25,610	1.53
5582	공통 부분 문자열	6,259	2.36
5557	1학년	7,475	2.14
5525	IOIOI	9,617	3.36
5446	The Great Cleanup	415	2.75
5430	Integer Lists STANDARD	24,621	4.95
5427	Fire	8,061	4.01
5419	North-Western Winds	1,763	2.92
5373	Cubing	4,126	2.58
5214	HIPERCIJEVI	2,052	3.68
5052	Phone List	9,483	3.26
5051	Just A Few More Triangles!	480	3.01
5014	Elevator Trouble	14,261	2.97
4991	Cleaning Robot	2,603	3.17
4963	How Many Islands? STANDARD	25,930	2.02
4949	The Balance of the World	36,542	3.07
4948	Chebyshev's Theorem	33,975	2.59
4902	Adding up Triangles	390	4.23
4811	Pills	4,113	1.46
4796	Happy Camper	10,862	2.53
4792	Red/Blue Spanning Tree	1,005	2.56
4673	Self Numbers	71,544	2.03
4574	Su-domino-ku	837	2.20
4485	Obstacle Course	11,088	1.96

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