Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
25384	Shuffles	2	38	52.08	1 17
25481	Game of stones II	2	38	21.52	17 17
27520	Laser	5	38	20.37	17 17
28460	Congratulations, Fidel!	1	38	14.33	17 17
28462	New TAP	1	38	33.12	17 17
33049	Ada and Chess	5	38	18.18	26 17
40459	The triangle of Pascal modulo 2	7	38	45.36	22 20
272	Cave Exploration		39	10.02	17 1
1447	A Game of Toy Bricks		39	29.93
1471	A Game of Pearls	1	39	30.00	17 17
3578	Hashing	1	39	11.76	34 34
3642	Pretty Printing		39	24.38
5155	Exciting Time		39	13.19
7556	B - Stock Charts		39	39.64
9723	Card Shuffling		39	26.69
9940	Fruit Ninja		39	26.73
12408	Johnny Studies Genetics		39	36.45
13592	Expected Time to Love	1	39	17.39	17 34
14175	Power Factor Sum Sum (hard)	5	39	36.97	26 26
14858	digit count		39	23.84
16639	Endless Knight		39	23.36
18050	Robert Langdon & Class Attendance	1	39	25.41	17 17
25482	Kimetto Kipsang and Kipchoge	1	39	20.07	34 34
26349	TRAVELLING DILEMMA	2	39	26.94	34 34
34648	Seven	4	39	51.24	9 23
34975	Prime Friendly Numbers	10	39	20.32	28 26
2413	Building Beacons		40	32.58
3361	Cavli	1	40	44.87	17 17
4003	Subway planning		40	18.08
4275	rotate it		40	55.70
4324	The fate of the pineapple		40	28.41
5153	Compressed String		40	30.00
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	19.42	39 34
9893	Smoking gun		40	27.98
11474	Totient Game		40	36.40
11905	Tree Count		40	43.07
11921	Ball Stack	1	40	54.63	17 17
16389	Play with Strings	1	40	21.49	17 34
19153	Rooted Trees	1	40	21.43
19301	Operators (new ver)	3	40	6.54	38 17
25476	Induced favoritism	1	40	28.87	17 34
30349	Strange Waca	9	40	19.64	17 22
34636	Richie Rich and Keen Bean		40	40.54	17 17
35028	Long Tiling	6	40	21.45	21 21
36529	Challenge Accepted!	1	40	26.87	17 17

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