Solved by xiaowuc1

#	Title	# Solved	Avg. Tries
7775	Final Standings	61	3.98
7782	Alien	265	1.23
7784	Different Digits	46	2.72
7785	Easy work	21,415	2.44
7786	Find the Sum	51	1.29
7789	Is it tele-prime?	777	1.89
7790	Joke	170	2.06
7795	Eat or Be Eaten	7,015	1.98
7798	Hotel	30	2.53
7800	The Chosen Sub Matrix	73	2.84
7801	Avoiding Financial Nightmare	17	3.59
7802	No Pause Telegraph	25	1.32
7803	Burger, French Fries, Soft Drink	32	2.63
7805	Minimum Swap	71	1.73
7806	GCD!	387	4.18
7808	Email from The Professor	54	2.46
7811	Sultan's Land	16	8.25
7812	Tree Median	550	2.85
7827	Transitive Closure	64	2.05
7830	Romantic Date	31	1.16
7840	Texture Tile	6	2.33
7844	Sudoku Checker	27	1.63
7845	ACM Computer Factory	2	1.50
7846	ACM Rank Table	11	2.00
7847	Sales Report	27	1.41
7848	Random Gap	16	6.56
7851	Harder Sokoban Problem	9	2.44
7852	Nearest number - 2	16	4.69
7853	Advanced ASCII Cubes	40	1.03
7857	Simple prefix compression	49	1.61
7858	Tetris Alphabet	7	2.43
7859	Network Saboteur	15	1.47
7861	Longest Ordered Subsequence	68	1.84
7863	Very Simple Problem	32	2.63
7864	Binary Witch	8	2.25
7868	Hamming Problem	231	2.04
7869	Circular Area	1,349	3.25
7872	Cave	11	2.36
7873	Decision	31	1.97
7879	Jack’s socks	14	1.71
7881	YAPTCHA	106	1.97
7882	Skyscrapers	27	2.11
7891	Can you add this?	6,233	1.22
7893	Vase collection	5	3.00
7894	Big Number	695	2.66
7898	Euro Efficiency	5	2.60
7900	Hansel and Grethel	13	1.23
7901	Floors	7	1.57
7903	Pearls	11	1.36
7905	Input	13	4.62

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