Solved by chaemh2013

#	Title	# Solved	Avg. Tries
3860	Haunted Graveyard	787	6.29
3896	Prime Gap	1,481	1.58
3948	The King's Ups and Downs	362	1.46
3955	Candy Distribution	1,807	4.43
3980	Lineup	2,408	2.24
3986	ESEJ	12,762	1.76
4030	Everyone out of the Pool	224	2.50
4153	Egypt	49,611	1.99
4179	Fire!	11,042	4.80
4195	Virtual Friends	9,659	3.65
4243	Security	459	2.91
4256	Tree	2,697	1.77
4311	Expanding Rods	29	4.69
4384	Tug of War	234	3.77
4386	Freckles	9,060	1.70
4485	Obstacle Course	12,526	1.95
4673	Self Numbers	73,200	2.02
4716	Balloons	804	3.92
4796	Happy Camper	11,658	2.53
4803	Trees	5,307	3.02
4948	Chebyshev's Theorem	36,074	2.56
4949	The Balance of the World	42,038	3.04
4963	How Many Islands? STANDARD	28,101	2.00
5264	spiral123	10	1.30
5373	Cubing	4,415	2.60
5386	Doubloon Game	325	1.82
5427	Fire	9,160	3.92
5430	Integer Lists STANDARD	27,642	4.87
5522	카드 게임	18,514	1.21
5525	IOIOI	11,233	3.36
5582	공통 부분 문자열	6,894	2.35
5585	거스름돈	27,623	1.52
5597	Who have not handed in ?	68,435	1.94
5620	가장 가까운 두 점의 거리	725	2.31
5639	Binary Search Tree	14,435	2.61
5710	Electric Bill	362	2.73
5719	Almost Shortest Path	3,876	5.09
6064	Cain Calendar	15,843	3.67
6198	Bad Hair Day	6,715	2.82
6416	Is It A Tree? STANDARD	1,146	4.92
6549	Largest Rectangle in a Histogram	11,252	3.62
6550	All in All	2,490	2.53
6588	Goldbach's Conjecture	12,618	4.57
6816	The Lights Going On and Off	9	1.11
6987	월드컵	3,415	3.41
6989	채점	262	3.65
7287	Registration STANDARD	62,858	1.92
7348	Moving Tables	173	3.50
7562	Knight Moves STANDARD	27,602	1.90
7568	덩치	52,629	1.78

13456789111216