Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
1441	The Clever Typist	1	34	9.67	17 34
2060	Tough Water Level		34	26.34
2734	Large party		34	24.35
3249	Typesettin	2	34	45.98	1 1
4097	Locomotive		34	44.30
4458	Rainbow	1	34	19.46	17 34
5159	Island Explorer		34	15.28
6951	MP3 Player		34	28.75
7972	World of cubes		34	17.42
8663	Squares Game		34	48.75
9382	Complan Carnival		34	35.77
10088	Assembly Line		34	40.43
10539	Bunnies	2	34	11.48	17 17
10607	Delivery		34	27.36
11963	Packing Rectangles		34	54.17
13500	Discord is at it again	2	34	41.77	34 34
14892	Good Aim	-1	34	20.95	34 17
16636	Journey		34	22.28
19290	Parade		34	41.32
19722	Modular Tetration	4	34	70.41	30 30
21463	Arithmetic Rectangle		34	21.27
26450	Palindromic Primes (Hard)	5	34	25.05	34 30
28744	Coin Fight	3	34	23.41	9 17
36145	Machine Cooling II	2	34	17.56	17 17
1267	Origin of Life		33	19.82
2172	Ballroom Lights	1	33	33.75	34 17
3166	Permutation Exponentiation		33	14.85
5144	Cryptography Reloaded (Act I)		33	26.16
7561	Lexicographic position	1	33	33.86	42 26
7971	The Cyber Traveling Salesman	1	33	36.20	34 17
8989	Funny programming contest	3	33	24.28	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	27.75	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	16.24	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
37420	Anti Hash	3	33	15.16	42 42
40982	Teleporters and Gems II	3	33	19.02	1 1
1444	DEL Command II		32	8.74
1460	A Simple Calculator in the Galaxy		32	40.50

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