Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
13592	Expected Time to Love	1	39	17.39	17 34
14175	Power Factor Sum Sum (hard)	5	39	36.97	26 26
15631	On the Plus Side	4	39	30.56	12 17
17946	Mickey Mouse Magic Trick v6	2	39	31.41	9 26
18050	Robert Langdon & Class Attendance	1	39	25.20	17 17
19722	Modular Tetration	4	39	69.56	30 30
20041	Hippo and Bloody Jungle	-1	39	19.08	28 17
20977	Car Game	6	39	38.22	15 15
26349	TRAVELLING DILEMMA	2	39	26.94	34 34
39924	Precious Prizes	1	39	26.74	17 12
40459	The triangle of Pascal modulo 2	8	39	52.70	22 20
1471	A Game of Pearls	1	40	30.17	17 17
2023	One Instruction Computer Simulator		40	9.83	42 42
2413	Building Beacons		40	32.58
3361	Cavli	1	40	44.87	17 17
3373	Permutation Code		40	54.43
4003	Subway planning		40	17.94
4275	rotate it		40	55.70
4324	The fate of the pineapple		40	28.41
5153	Compressed String		40	30.00
5155	Exciting Time		40	13.06
5160	Jinyuetuan Puzzle		40	36.69
6711	Transform a Sequence		40	45.65
8651	Alien arithmetic	1	40	18.81
8734	Charlie and the Chocolate Factory	1	40	17.65	26 34
8795	Twenty Questions	1	40	20.65
8820	Okret	3	40	19.32	39 34
9860	The Glazier 2	1	40	65.75	17 34
9893	Smoking gun		40	27.98
9940	Fruit Ninja		40	27.40
11905	Tree Count		40	43.07
11921	Ball Stack	1	40	54.63	17 17
12808	Yet-Yet Another Counting Problem	1	40	66.67
14858	digit count		40	23.69
16639	Endless Knight		40	23.50
19153	Rooted Trees	1	40	21.43
19301	Operators (new ver)	3	40	6.47	38 17
21971	The Big Painting	1	40	22.22	34 17
35028	Long Tiling	7	40	21.39	26 26
36710	To the Bird-planet	3	40	18.71	17 14
2323	Broken Compass		41	13.43
4574	Riding in cycles		41	24.31
5103	Top 10		41	16.26
5156	Flowers Placement		41	31.06
6819	Yet Another Assignment Problem	1	41	11.56	1
6851	Fence		41	26.52
8586	Factorial factorisation	2	41	19.05	17 17
9447	Genetics		41	35.29
10075	Haunted Graveyard	2	41	19.47	26 26
11474	Totient Game		41	36.67

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