Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
35810	Prismata	1	5	7.69	34 17
36534	Heroes		5	22.73
37175	Submatrix Sum of a Sparse Matrix	-1	5	20.00
37272	Dinostratus Matrices	1	5	66.67
40501	A Simple Sieve	3	5	16.67	45 50
41823	Martia Auris 3020		5	43.75
41890	Anagrams and Divisibility		5	6.42
850	Soccer Choreography		4	4.02
2419	G-Line Grid	1	4	7.27
3482	Alias		4	57.14
3483	Begin		4	11.11
4189	Landing		4	3.64
4459	Muzidabutur		4	21.43
5637	LL and ErBao		4	58.70
11334	Lucifer Sort		4	11.83
11384	Zoom Operation		4	20.00
11900	Spelling Suggestion		4	20.00
12806	Blackjack		4	29.41
12855	Teleport		4	16.22	17 34
13882	THE WITTY BOY	1	4	4.32	34 17
13926	Flipping Slipping of grids	1	4	25.00	17 50
13945	GHALIBS CHALLENGE		4	33.33
15382	Factorial (Again!)		4	43.37	50 1
17779	Charlie and the Chocolate Factory		4	11.90
21969	Money Transfers		4	26.32
22675	A conjecture of Paul Erdős (hard)	2	4	5.56	34 34
25336	Eefun Plays Doto		4	31.03
25450	When Does The World End	1	4	4.67	34 50
26183	Laser Beam 2.0	1	4	18.18	17 17
26843	Who is the Best?		4	31.58
34357	Ludic Numbers (hard)	2	4	17.91
34379	Another Travelling Salesman Problem	1	4	41.67	34
40643	The Revenge Of Anti Hash	1	4	5.00	34 34
6957	Partial Palindrome		3	8.33
12805	Age of Empires		3	15.62
13816	Pheversos Game		3	23.53
14665	Delta catheti (hard)	1	3	17.72
14700	Delta catheti II (Hard)	1	3	7.55
15091	One Good Base Deserves Another		3	57.14	34 1
15381	Cut The Rope		3	18.42	42 1
22177	RajaRani	3	3	4.35	17 17
32028	Ada and Parties		3	1.38	50 50
34385	Pripyat		3	15.00
34973	Yet Another Subset Sum Problem	2	3	3.41	26 34
41790	Spy Reloaded		3	10.00
275	The Water Ringroad		2	10.81
2019	The Rolling Ball		2	3.57
5672	Captain Selection		2	18.18
9000	Bob and his new kite factory		2	1.44
13895	Party Time		2	33.33

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