Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8288	Fast Food Restaurant	2	100	31.27	17 34
8462	Barn Allocation	1	127	51.77	34 34
8549	BST again	1	86	17.28	17 34
8550	Longest Square Factor	4	67	19.29	21 34
8558	Linear Equation Solver	2	15	28.38	17 34
8583	Garden	1	20	63.89	17 34
8668	THE BLACK AND WHITE QUEENS	3	81	45.86	21 34
8734	Charlie and the Chocolate Factory	1	40	17.65	26 34
8750	Wordplay	4	91	26.21	17 34
8757	Coing tossing	3	160	61.56	12 34
8816	Mravograd		29	32.00	17 34
8820	Okret	3	40	19.42	39 34
8886	Guess number!		17	5.03	34 34
8930	Party!	3	61	18.55	17 34
9096	Bob and magical scale	2	54	29.85	17 34
9138	Pyramid Sums 2	2	106	34.38	23 34
9367	Segment Flip	1	85	10.33	34 34
9443	Trial of Doom	1	31	51.52	17 34
9444	Block Drop	1	24	43.02	34 34
9459	Connecting three towns (variation)	1	52	25.50	17 34
9507	Mario and Mushrooms		340	56.76	1 34
9518	The Time of Day	1	38	25.64	17 34
9520	Tanks	1	14	12.41	34 34
9638	Circuits		25	9.82	50 34
9641	Factory of Bridges	1	63	25.81	17 34
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
9751	Repairing Roads	1	21	11.34	17 34
9860	The Glazier 2	1	38	66.67	17 34
9887	Binomial coefficients	1	153	26.78	34 34
9892	Pool construction	1	90	57.38	1 34
9916	Help Dr Whooves	2	54	51.28	17 34
9934	Alice and Bob	1	135	32.61	1 34
9941	GRE Words	2	102	20.00	34 34
9964	Fibonacci vs Polynomial	6	126	40.50	24 34
9975	No Stories Any More!	1	46	29.02	34 34
9985	Distance	2	61	24.14	42 34
10072	Lights	1	60	47.17	17 34
10236	Generations	1	54	19.35	34 34
10377	project groups		128	50.69	34 34
10438	Crazy texting	2	172	25.78	26 34
10439	Walking Robot		110	46.11	34 34
10453	Spring Loaded	-2	158	33.25	17 34
10547	Delivery Route	5	50	19.73	34 34
10572	Cheating on the contest	1	24	6.04	17 34
10605	Counting Formations	2	14	57.50	34 34
10612	Funny Areas	3	89	32.79	34 34
10699	Symmetry	1	26	36.63	17 34
10704	The Great Escape	1	33	28.73	34 34

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