Solved by mgin0527

#	Title	# Solved	Avg. Tries
3359	Rectangles	210	2.54
3372	Jump The Board!	530	2.84
3407	Chemist’s vows	245	3.73
3425	Stack Machine Executor	1,713	6.44
3460	Binary numbers	9,536	1.82
3474	Factorial	2,999	2.44
3483	Piggy-Bank	61	1.95
3516	John’s Inversions	40	1.75
3584	Nearest Common Ancestors	5,371	1.91
3648	Idol	1,366	3.53
3649	Joint Venture	2,465	5.35
3653	Movie collection	2,945	2.20
3665	Rankings	4,227	2.52
3671	An Industrial Spy	702	1.96
3673	Divisible Subsequences	531	2.54
3709	Laserbox	291	1.93
3711	Reduced ID Numbers	672	2.09
3736	System Engineer	189	2.80
3745	Stock Exchange	2,122	2.66
3747	Perfect Election	478	2.29
3758	KCPC	2,066	1.94
3770	Japan	289	2.52
3780	Corporative Network	893	4.05
3793	Common Subsequence	209	2.43
3803	Networking	135	1.40
3830	Never Wait for Weights	2,071	3.70
3838	Distributing Ballot Boxes	25	1.92
3865	Membership Management	157	2.88
3876	Repeated Substitution with Sed	44	1.98
3895	And Then There Was One	262	1.71
3896	Prime Gap	1,463	1.58
3908	Sum of Different Primes	560	1.60
3933	Lagrange’s Four-Square Theorem	783	1.90
3944	B-Casting	456	2.45
3980	Lineup	2,387	2.25
3985	OREHNJACA	3,724	1.83
3986	ESEJ	12,559	1.76
4030	Everyone out of the Pool	224	2.50
4095	Maximum Square	769	2.35
4097	Profits	904	2.01
4101	Which is Greater? STANDARD	24,081	1.99
4134	Next Prime	8,840	3.99
4143	Bridges and Tunnels	50	1.72
4153	Egypt	49,049	1.99
4156	Driving Range	14	1.86
4157	Frosh Week	95	2.64
4158	CD	2,203	3.95
4172	sqrt log sin	419	2.42
4179	Fire!	10,858	4.80
4181	Convex Hull	700	4.81

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