Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9046	Clock Hands	2	375	22.31	34 26
9081	Snail family problems	2	80	23.94	34 17
9098	Long Common Subsequence	2	190	35.96	34 17
9120	Magic Star	2	168	52.70	34 1
9137	Pyramid Sums		92	34.78	34 17
9367	Segment Flip	1	85	10.33	34 34
9444	Block Drop	1	24	43.02	34 34
9504	Paint on a Wall	1	25	43.56	34 26
9520	Tanks	1	14	12.41	34 34
9527	Department		7	5.15	34 17
9721	2s Complement	1	173	31.83	34 34
9725	Queens on a Board	2	51	50.00	34 34
9748	Palindromes	1	91	29.27	34 34
9858	Štef and Barica	2	73	37.31	34 17
9887	Binomial coefficients	1	153	26.78	34 34
9888	Bird tree	1	296	65.12	34 42
9941	GRE Words	2	102	20.00	34 34
9967	Playing with Words	2	37	32.99	34 26
9975	No Stories Any More!	1	46	29.02	34 34
10089	Locks and Keys	1	17	33.75	34 17
10107	Cybercrime Donut Investigation	2	54	26.94	34 42
10114	Remoteland	3	128	56.36	34 28
10141	STRAZA		45	46.51	34 17
10210	After Party Transfers	1	36	4.79	34 28
10236	Generations	1	54	19.35	34 34
10377	project groups		128	50.69	34 34
10420	Hardware upgrade	1	52	33.65	34 17
10439	Walking Robot		110	46.11	34 34
10502	Video game combos	1	288	31.37	34 17
10547	Delivery Route	5	50	19.73	34 34
10605	Counting Formations	2	14	57.50	34 34
10612	Funny Areas	3	89	32.79	34 34
10644	Serve The Street	1	134	25.25	34 1
10704	The Great Escape	1	33	28.73	34 34
10931	Online Bridge Searching	4	89	35.26	34 34
11198	Ipad Testing	2	47	41.28	34 1
11575	A Famous Equation	2	71	28.14	34 34
11613	Aho-Corasick Trie	4	47	10.32	34 21
11712	Red Cross Hospital	1	18	24.77	34 1
11771	Mountain Cave	1	16	8.51	34 17
11834	DOJO Corridor II	1	20	33.76	34 34
11844	Binary Sequence of Prime Number	5	219	21.61	34 28
11851	Power with Combinatorics(HARD)	1	127	13.10	34 42
11899	Queen Game	1	20	35.29	34 17
11906	Rescue On Time	-1	23	43.94	34 17
12009	Fibonacci recursive sequences (hard)	2	23	9.73	34 34
12107	All Possible Barns	1	32	27.89	34 34
12108	Linear Garden		69	34.35	34
12240	Multinomial numbers	1	19	39.76	34 17
12322	NSquare Sum ( Medium )		58	44.31	34 17

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