Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
5015	Decode the Castanets		32	43.14
6988	Beer Machines	5	32	18.72	43 37
7777	National Treasure		32	38.30
8056	Regex Edit Distance	1	32	43.16	34 34
8108	POLYU		32	27.65
8427	Permutation Game		32	41.05
8627	I2C		32	25.79
10071	Working at the Restaurant		32	37.78
10440	Friends		32	20.25
10461	The magical escape		32	53.33
10820	Obsession	4	32	23.98	39 39
11202	Number Theory	-1	32	31.05	42 34
12004	Cousin Wars	2	32	18.18	26 26
12107	All Possible Barns	1	32	27.89	34 34
14032	Summer Game	2	32	42.74	17 17
17539	Cows Language	3	32	40.54	21 26
19722	Modular Tetration	3	32	70.42	28 28
26913	SUPER CELL	1	32	19.34	17 17
36144	The Cow Gathering	1	32	25.15	9 34
1267	Origin of Life		33	19.82
2060	Tough Water Level		33	25.98
2172	Ballroom Lights	1	33	33.75	34 17
3166	Permutation Exponentiation		33	14.85
3249	Typesettin	2	33	45.68	1 1
5144	Cryptography Reloaded (Act I)		33	26.16
7971	The Cyber Traveling Salesman	1	33	36.20	34 17
8989	Funny programming contest	3	33	24.85	12 23
9938	Disney Fastpass	1	33	24.12	17 17
10265	Subdivision of the kingdom		33	33.55
10704	The Great Escape	1	33	28.73	34 34
12556	Another Traffic Problem		33	16.26
12562	Glory War	2	33	35.20	34 34
15827	Vending Machine	2	33	9.02	6 17
17124	Chess Board of Avengers	1	33	42.95	17 17
20752	LAZY FRIENDS	3	33	52.81	17 13
21418	Interesting Game with Polygons	1	33	29.27	17 34
22270	Periodic function, trip 2	3	33	53.57	23 28
25365	Hexagram	3	33	48.78	28 17
25477	Generating alien DNA II	2	33	16.30	17 17
26772	Lets Be An Anagrammatist	5	33	13.02	26 21
27337	LIS and tree		33	28.87	34 17
28459	Grumpy uncle	3	33	37.31	26 26
32259	Walk home together	1	33	9.17	17 17
40982	Teleporters and Gems II	3	33	19.02	1 1
449	Simple Numbers with Fractions Conversion	2	34	17.15	17 17
1441	The Clever Typist	1	34	9.67	17 34
2734	Large party		34	24.35
4097	Locomotive		34	44.30
4458	Rainbow	1	34	19.46	17 34
5159	Island Explorer		34	15.28

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