Solved by koosaga

#	Title	# Solved	Avg. Tries
7598	Bookings	181	1.19
7600	Letters	1,337	1.37
7604	Reconstruction Trees	24	2.38
7610	Synchronization	50	2.36
7611	Watching	68	1.59
7613	Boy Scouts	19	1.89
7614	Parity	7	10.57
7615	Hashing	6	4.17
7616	Disjoint paths	205	6.19
7617	Company	2	1.50
7618	Tree Similarity	3	4.00
7620	Edit distance	155	6.89
7621	Fish Catch	10	2.40
7626	Rectangles	572	4.13
7627	Spanning Trees	16	4.00
7628	Another Rock-Paper-Scissors Problem	20	1.50
7629	Ball Painting	14	1.21
7630	City Driving	25	2.60
7631	Drunken Walk	9	2.11
7632	Empty Triangles	13	3.31
7634	Guessing Game	24	1.63
7637	AAAAHH! Overbooked!	83	1.46
7639	Counting Pixels	21	2.14
7640	Matryoshka Dolls	41	1.46
7643	Game Rigging	6	1.83
7644	Highway Construction	22	2.73
7648	Matryoshka Dolls, Again	9	1.00
7651	G-Avoiding Sequence	4	2.25
7652	Bonsai	4	2.50
7655	Leap Frog	3	2.33
7657	Rectangles	11	3.64
7658	Rectangles Too!	4	1.25
7662	Dual Priority Queue	11,612	4.56
7668	Divisibility	28	1.39
7671	Baking Cakes	17	1.94
7676	Saruman’s army	70	1.81
7677	Fibonacci	660	1.34
7684	Convex area	15	2.33
7685	Nim	92	2.43
7687	Box walking	65	4.51
7719	Purify	14	9.14
7721	Hiring the crew	3	3.67
7722	Real Fun	5	1.60
7723	Cypher	13	1.38
7724	One way roads	2	7.50
7726	Even more fun	6	1.50
7727	Byephone	98	1.65
7728	Painting patter	4	3.00
7729	Tree Game	8	8.38
7731	Neighbours	2	3.00

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