Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
22741	Another Valentine Maze Game (2D)	2	10	20.86	50 34
27494	Happiness	1	8	13.08	50 50
27519	Zeros of the fundamental Fibonacci period	-1	12	21.43	50 50
30945	Non Coprime Sequences	2	21	20.22	50 50
31756	The Idol		16	18.49	50 34
31975	Ada and Scarecrow		14	16.19	50 50
32028	Ada and Parties		4	1.24	50 50
32091	Chessboard State 2: International Chess Tournament	1	6	16.91	50 17
32092	Chessboard State 3: Intergalactic Chess Tournament	1	6	44.12	50 34
32302	Ada and Replant	1	21	24.55	50 34
32446	Sanvi and Magical Numbers	1	12	25.93	50 34
33039	Amazing Factor Sequence (hard)	2	20	61.15	50 50
33062	LCM Pesticide	2	10	34.92	50 50
34379	Another Travelling Salesman Problem	2	11	11.50	50 42
35675	Primes in GCD Table (Hard)	2	12	24.69	50 50
36789	Linear Diophantine Equation	2	10	14.29	50 50
37446	Breaking Math	2	7	21.51	50 50
75	Editor		51	27.31
76	Editor Inverse		69	16.09
102	GX Light Pipeline Inc		79	30.99
109	Exchanges	1	128	43.01	34
146	Fast Multiplication Again		36	10.19
150	Where to Drink the Plonk?	1	507	35.62
175	Polygon		71	22.39
183	Assembler circuits		59	30.62
199	Empty Cuboids	-1	146	35.20
205	Icerink		8	12.79
231	The Zebra Crossing	1	29	10.92
241	Arranging the Blocks		53	12.91
261	Triangle Partitioning		204	58.48
275	The Water Ringroad		7	18.28
292	Alibaba	1	185	23.31
293	Officers on the Beat		11	16.23
296	Teamwork is Crucial		70	30.11
325	The Tall Windmills		82	22.99	34
350	Landscaping	1	97	29.78
363	Crane Operator		5	2.40
380	Bullshit Bingo		720	33.68
383	European railroad tracks		225	30.18
386	Help the problem setter		100	44.37
404	Scanner		58	12.46
418	Necklace		44	16.85
698	Plane Hopping	1	288	25.27	17
760	Convex Hull 3D		124	41.27
850	Soccer Choreography		4	3.80
866	DNA Translation		117	21.44
944	Free Tour		16	3.03
999	Generalized Matrioshkas		418	32.57
1270	Paint By Numbers		26	21.98
1483	Colorful Lights Party		13	10.38

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