Solved by gs18115

#	Title	# Solved	Avg. Tries
5471	Pyramid Base	28	1.57
5477	TRAINING	31	2.10
5530	JOIOI 탑	224	2.48
5542	JOI 국가의 행사	310	2.09
5559	JOI 깃발	65	3.20
5617	問題 1	175	1.36
5813	이상적인 도시	115	2.17
5820	경주	539	4.85
5823	코끼리	74	2.86
5861	First!	33	3.00
5979	Soldering	17	3.41
6101	Cleaning Up	119	2.54
6223	Cow Sorting	187	1.44
6293	Vim	16	3.56
6511	Black and white painting	34	1.91
6541	Binary Search Heap Construction	6	2.17
6549	Largest Rectangle in a Histogram	9,971	3.70
6654	Corporate Identity	5	2.60
6690	Formatting Text	4	1.50
7287	Registration STANDARD	57,931	1.92
7469	K-th Number	1,703	3.12
7525	Number Tricks	16	2.38
7568	덩치	48,396	1.78
7569	토마토 STANDARD	29,033	2.36
7578	공장	3,535	2.59
7611	Watching	68	1.59
7634	Guessing Game	24	1.63
7662	Dual Priority Queue	11,568	4.56
7768	Parabolic teleports	2	13.50
7772	Chemistry	103	1.77
7879	Jack’s socks	13	1.69
7907	Bytean Road Race	62	2.16
7911	Laundry	27	3.04
7913	Afternoon Tea	20	2.85
7971	The Bus	25	1.36
8103	Rooks	43	1.93
8112	Ones And Zeros 2	317	3.11
8190	Hamsters	36	2.17
8203	Lollipop	82	2.48
8217	Meteors	393	4.31
8235	Prefixuffix	74	2.38
8236	Price List	37	4.30
8242	Inspector	12	4.00
8273	Climbing	18	2.22
8298	Coins	50	4.02
8370	Plane	7,861	1.12
8393	Sum STANDARD	156,005	1.56
8441	Nawiasy	2	11.00
8452	그래프와 쿼리	240	3.80
8464	Non-Squarefree Numbers	581	3.34

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