Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
34247	Agent prefix	-5	54	37.42	1 1
34812	Kth Power Summation	6	54	16.64	25 19
39762	TABTABTAB	3	54	29.39	9 17
20	The Bytelandian Cryptographer (Act IV)	2	55	26.39	21 34
121	Timetable		55	15.27	17 17
334	The Philosophical Dispute		55	40.28	17 17
1004	Polygon Encoder		55	9.29	17 1
1793	Text Generater II		55	30.43
2565	Another Permutation Problem	1	55	23.52	34 17
2899	Volunteers		55	46.91	17 34
2963	Painting Blocks (Act II)	1	55	20.19	17 34
3488	The Top-Code	1	55	20.32	17 34
3901	Black and White Nim		55	44.50
4308	Byteantean towns		55	24.22
5011	Library for Madrid		55	42.17	17 17
5102	Mystic Craft		55	45.51
5120	Minimal Possible String	3	55	5.08	34 28
6408	Counting Triangles 2	-1	55	33.60	50 50
6690	A - Comparison Expressions		55	32.99
7387	Airplane Parking		55	23.73
7737	Escape		55	33.85
7884	Crni		55	54.55
8316	Win gold medal		55	26.67
10096	Lights (Extreme)		55	30.25	17 17
10538	Derp		55	38.04
13884	FLING1		55	23.60
14889	Good Strategy		55	40.50
14890	Good Code	4	55	22.81	13 17
16017	The Triangle Game	1	55	47.55	17 17
19795	Psycho34 (easy)	7	55	22.27	27 17
22529	Dandiya Night and Violence	10	55	35.68	9 12
22804	Knapsack	4	55	30.57	21 23
31235	Fractals	7	55	47.24	14 8
31502	University Homework	5	55	29.16	20 6
32439	Ada and Bloom	1	55	24.43	9 26
34537	Prime Lover Finding	6	55	27.34	27 23
37053	Trailing Zeros	10	55	54.15	8 16
404	Scanner		56	12.24
3645	Farthest Headquarters		56	25.93
6576	Divide and Conquer	2	56	15.82	17 26
9121	Magical Crafting		56	46.69
10422	Rubiks cube	2	56	49.68	17 17
11274	Lights and Switches	1	56	32.68	17 34
32857	Angry Siam	4	56	34.01	30 30
36441	Funny Prime Factorization	5	56	3.62	12 9
37387	Modulo Sequence	8	56	14.59	21 21
202	Rockets	-1	57	12.29	34 34
1465	On the Way to Find Chris	2	57	15.18	26 26
1803	Fold		57	41.94
1878	Farmers Cattle	1	57	37.62	34 34

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