Solved by changjurhee

#	Title	# Solved	Avg. Tries
6903	Trident	192	1.43
6971	Nasty Numbers	65	1.52
6975	Deficient, Perfect, and Abundant	376	2.01
6976	Divisibility by 11	161	4.04
6980	Train Swapping	48	1.38
6987	월드컵	3,146	3.42
7015	Millennium	162	1.11
7181	Mõttemeister	125	1.15
7279	Autobusas	143	1.20
7281	Internetas	120	1.16
7287	Registration STANDARD	58,578	1.92
7308	A DP Problem	30	3.77
7326	Number Steps	243	1.63
7453	4 Values whose Sum is 0	5,817	4.43
7489	Factorials	802	2.43
7510	Higher Math	3,107	2.04
7523	Gauß in Elementary School	1,013	1.94
7562	Knight Moves STANDARD	24,848	1.93
7567	그릇	11,561	1.36
7569	토마토 STANDARD	29,373	2.36
7572	간지(干支)	2,579	1.66
7576	토마토 STANDARD	48,348	2.71
7581	Cuboids	448	1.10
7585	Brackets	170	2.75
7595	Triangles	1,814	1.20
7596	MP3 Songs	320	1.36
7597	Tennis	127	1.13
7598	Bookings	184	1.19
7599	Library Codes	85	1.67
7600	Letters	1,351	1.37
7785	Easy work	18,084	2.46
7789	Is it tele-prime?	678	1.92
7795	Eat or Be Eaten	6,074	2.00
7805	Minimum Swap	66	1.56
7869	Circular Area	1,114	3.33
7891	Can you add this?	5,227	1.22
7894	Big Number	649	2.71
7947	Koncert	253	1.41
8320	Rectangles	3,432	1.74
8370	Plane	8,043	1.12
8393	Sum STANDARD	157,573	1.56
8437	Julka	4,513	2.45
8574	Ratownik	284	1.49
8663	Konik polny	78	1.95
8669	Las	98	1.73
8710	Koszykarz	1,801	1.41
8711	Odchudzanie	97	3.37
8712	Wężyk	101	1.13
8713	Znak działania	146	2.58
8714	Monety	330	1.25

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