Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9889	Movie collection	1	217	43.72	50 50
9950	IQ Team	1	44	43.31	50 50
11756	Teaming up for the competition	1	35	33.99	50 50
11830	DOJO Corridor I	-1	32	31.47	50 34
12803	Graph		8	15.00	50 50
12804	Spy	1	6	12.24	50 50
13094	Beggars		48	27.62	50 50
13223	The BrainFast Processing! Classical version		9	38.75	50 17
13591	Factor y Hell		9	18.64	50 34
13809	ISRANK	1	22	34.09	50 50
13940	Fibonacci vs Polynomial (HARD)	4	20	24.03	50 50
15257	Partition function (HARD)		7	3.18	50 45
15382	Factorial (Again!)		4	33.33	50 1
17396	Dazzling Pearls		19	17.19	50 17
17402	Joy of Arbitrage	1	19	16.91	50 34
18915	Anils Proposal	2	31	18.90	50 50
19133	Base Conversion	1	9	12.72	50 34
20327	Triangles	1	30	28.82	50 50
21061	Yet Another Subset Sum Problem	2	48	34.44	50 50
21395	Ohani And Binary Search Tree	-1	130	36.05	50 17
22090	Prime Power Test (Hard)		11	19.02	50 50
22331	Intersection Query	1	18	19.85	50 34
22741	Another Valentine Maze Game (2D)	2	11	21.19	50 34
27494	Happiness	1	9	14.78	50 50
27519	Zeros of the fundamental Fibonacci period	-1	13	21.50	50 50
30945	Non Coprime Sequences	2	22	20.43	50 50
31756	The Idol		18	19.83	50 34
31975	Ada and Scarecrow		14	16.06	50 50
32028	Ada and Parties		4	1.24	50 50
32091	Chessboard State 2: International Chess Tournament	1	6	14.81	50 17
32092	Chessboard State 3: Intergalactic Chess Tournament	1	6	42.25	50 34
32302	Ada and Replant	1	22	24.66	50 34
32446	Sanvi and Magical Numbers	1	13	26.83	50 34
33039	Amazing Factor Sequence (hard)	2	23	60.27	50 50
33062	LCM Pesticide	2	11	35.94	50 50
34379	Another Travelling Salesman Problem	2	12	12.28	50 42
35675	Primes in GCD Table (Hard)	2	14	25.27	50 50
36789	Linear Diophantine Equation	3	12	16.57	50 50
37446	Breaking Math	2	7	21.51	50 50
75	Editor		51	26.94
76	Editor Inverse		69	15.98
102	GX Light Pipeline Inc		80	31.09
109	Exchanges	1	130	43.31	34
146	Fast Multiplication Again		36	10.19
150	Where to Drink the Plonk?	1	508	35.63
175	Polygon		72	22.47
183	Assembler circuits		61	31.78
199	Empty Cuboids	-1	149	35.55
205	Icerink		8	12.22
231	The Zebra Crossing	1	29	10.91

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