Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
2176	Finding Seats	2	220	14.87	34 34
2189	Making Pairs	1	44	16.21	34 42
2276	Partitions	1	19	10.76	34 34
2324	Mario	1	59	13.68	34 34
2415	Kirchhof Law	1	90	19.13	34 17
2420	Hospital at Hands		25	23.08	34 34
2565	Another Permutation Problem	1	56	24.15	34 17
2648	Archiver	1	44	13.46	34 50
2829	Time Limit Exceeded	4	251	21.43	34 34
2882	The Warehouse	1	24	28.46	34 17
3003	Median Filter	2	20	47.58	34 34
3004	Life Game	-1	69	33.94	34 1
3070	How many subsequences	1	94	9.74	34 34
3310	Serial Numbers	1	34	29.27	34 17
3382	Monster Trap	1	27	22.44	34 17
3390	Tribe Council	1	57	22.07	34 34
3414	Bora Bora		144	49.01	34 26
3464	Clock	3	49	35.35	34 9
3578	Hashing	1	39	11.76	34 34
3581	Tree Similarity	1	25	48.63	34 34
3863	Area of circles	1	304	29.64	34 34
3889	Closest Number	1	192	30.08	34 26
3896	Maximal Independent Set	2	58	25.20	34 42
3930	Group Partition	1	69	30.00	34 34
3980	Point Visible	1	49	32.22	34 50
4182	Candy (Again)	2	226	18.42	34 34
4306	The way to Bytemountain	1	29	41.25	34 34
4456	Jumbo Airlines	2	74	39.18	34 34
4487	Can you answer these queries VI	25	1264	22.94	34 28
4593	Arithmetic sequence	1	64	9.46	34 17
4657	Gas Wars		139	35.32	34 17
4669	Cross Mountain Climb Extreme	1	33	23.33	34 50
4941	Integer Factorization (20 digits)	8	561	55.71	34 30
5120	Minimal Possible String	3	55	5.08	34 28
5147	Fire-Control System		31	18.97	34 17
5469	Houses		42	26.72	34 26
5511	Heavy Sequences	-1	82	18.23	34 34
5830	Alternating Permutations	1	57	38.46	34 34
5902	Tri	1	77	20.54	34 50
5975	Travelling Knight	2	50	33.70	34 34
6044	Minimum Diameter Circle	1	437	27.45	34 42
6169	Standing Sequence	2	118	28.49	34 39
6578	Segment Tree	1	53	10.09	34 34
6678	Load Testing		200	59.73	34 34
6717	Two Paths	8	217	17.52	34 36
6824	Flag	1	79	26.48	34 34
6917	Catch Sheep	2	35	24.78	34 34
6926	Tree game	1	47	8.46	34 34
7152	Boundary 2003	1	18	14.87	34 1
7155	Test	10	388	18.74	34 27

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