Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %
7050	Necklace Decomposition		48	60.61
7100	Back To The Polygon		88	34.80
7102	Doing The Word Wrap	1	175	38.33
7133	Garden 2005	1	69	23.42
7193	The Pharaoh Curse		16	21.05
7248	Chess part1		104	23.55
7301	Lucky Controller		11	32.14
7323	Happy Days		47	44.74
7333	Shuffle Music		9	26.67
7336	Mastermind		493	36.24
7337	Shuffling		24	18.09
7378	Manhattan Companies		16	10.96
7387	Airplane Parking		56	23.53
7389	Rating Hazard		25	19.44
7402	Repair Depots		14	43.90
7409	Drawing Quadrilaterals		51	11.46
7427	Jara’s Legacy		85	40.21
7490	Biology		14	5.93
7556	B - Stock Charts		45	40.48
7558	D - Alphabetomials		14	41.46
7559	E - Football Team		9	12.50
7560	F - Interesting Ranges		13	21.33
7566	Expected Cycle Sums		52	47.89
7581	The Best Name for Your Baby		13	33.33
7589	Cave Crisis		13	54.84
7599	Optimal Strategy for the ICPC		10	21.15
7603	Fibonacci Factor	1	26	25.49
7627	Driving Direction		14	49.02
7629	Building Ports		45	12.44
7630	SHOPPERS		150	36.75
7632	Architecture		20	24.24
7666	Telecommunications		26	28.30
7680	Electrical Engineering		17	33.97
7692	Chemistry		72	13.88
7693	Environmental Engineering		38	39.23
7737	Escape		57	34.36
7740	Fence		23	25.49
7758	Growing Strings		176	32.39
7763	Ingenious Metro		84	66.84
7772	Help a researcher		62	48.95
7777	National Treasure		35	31.50
7782	Largest Labeled Common Ancestor	1	208	57.44
7783	Commuting Functions		49	25.94
7807	The Lucky Prisoner		27	9.84
7860	Deal or No Deal	1	13	30.77
7862	Prisoner of Benda		27	25.83
7874	Calculator		29	24.36
7884	Crni		60	55.93
7886	Boards (Hard)		40	37.14
7960	Multiplicative Palindrome		34	27.78