Solved by cnocycle

#	Title	# Solved	Avg. Tries
3661	Fair Division	100	2.15
3665	Rankings	4,213	2.52
3679	Simple Polygon	1,045	3.92
3745	Stock Exchange	2,106	2.66
3779	Period	198	1.71
3789	Hidden Password	165	1.85
3878	Separate Points	763	3.64
3896	Prime Gap	1,448	1.57
3977	Field Plan	1,496	2.86
3978	Hacking	101	4.03
4013	ATM	1,464	4.12
4153	Egypt	48,535	1.99
4181	Convex Hull	698	4.80
4195	Virtual Friends	9,526	3.66
4196	Dominos	2,405	3.32
4206	Fibonacci Words	170	3.38
4225	Trash Removal	736	4.42
4256	Tree	2,689	1.78
4354	Power Strings	2,508	2.90
4358	Hardwood Species	5,836	2.74
4386	Freckles	8,964	1.70
4485	Obstacle Course	12,385	1.95
4574	Su-domino-ku	874	2.19
4673	Self Numbers	72,986	2.02
4792	Red/Blue Spanning Tree	1,098	2.52
4796	Happy Camper	11,517	2.53
4811	Pills	4,511	1.45
4902	Adding up Triangles	400	4.25
4948	Chebyshev's Theorem	35,732	2.56
4949	The Balance of the World	41,128	3.04
4963	How Many Islands? STANDARD	27,844	2.00
4991	Cleaning Robot	2,827	3.11
5014	Elevator Trouble	15,546	2.94
5051	Just A Few More Triangles!	545	3.03
5052	Phone List	10,339	3.20
5214	HIPERCIJEVI	2,236	3.65
5373	Cubing	4,378	2.59
5419	North-Western Winds	1,922	2.88
5427	Fire	8,976	3.94
5430	Integer Lists STANDARD	27,176	4.88
5446	The Great Cleanup	453	2.80
5525	IOIOI	10,975	3.36
5557	1학년	7,973	2.11
5582	공통 부분 문자열	6,801	2.35
5585	거스름돈	27,323	1.52
5626	JEDAN	634	3.50
5639	Binary Search Tree	14,219	2.62
5670	Cellphone Typing	2,705	2.84
5676	Interval Product STANDARD	2,542	3.02
5719	Almost Shortest Path	3,829	5.11

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