Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
28742	Pizza Store and Gasoline	4	60	42.60	26 23
32222	Ada and Panels	8	60	48.20	27 37
35140	Count Pairs	7	60	25.00	21 24
174	Paint templates	1	59	41.61	9 17
2147	Root of a Linear Equation		59	8.47	34 17
2324	Mario	1	59	13.68	34 34
3896	Maximal Independent Set	2	59	25.13	34 42
4409	Circle vs Triangle	1	59	19.77
7746	Cocircular Points		59	16.57	42 17
7857	Tower Game (Hard)		59	15.07	34 34
10072	Lights	1	59	46.45	17 34
14122	Inverse of Recurrence Problem With a Square Root	3	59	49.56	23 45
16063	Hackers	6	59	21.54	48 48
16134	Save the cows!	5	59	14.05	1 6
16178	Change		59	10.13
16556	Triangle	2	59	47.87	17 17
25015	Subsequences with modulo	5	59	20.90	34 34
26187	Captain Claw		59	25.16	17 12
28180	Sanvi Hates Palindrome	5	59	35.10	13 13
34356	Ludic Numbers (medium)	5	59	30.45	36 39
36413	Two Sum Query	4	59	32.82	17 23
183	Assembler circuits		58	30.88
278	Bicycle		58	13.33	34 1
1464	Editor II		58	18.59
1800	Fixed Partition Contest Management		58	35.59
2649	Weird sorting	1	58	26.10	1 34
3965	Minimax Triangulation		58	34.60
4410	Repair the Door		58	22.49
4420	Counting Graphs		58	34.93
7970	Jumping Beans	1	58	26.80	17 17
8323	Triangle equality		58	43.85
10082	Comparing Answers		58	12.67
10594	Decoding Number Stations with Dr Whooves	2	58	26.56	9 26
11517	GAMING ARENA	1	58	39.30
12322	NSquare Sum ( Medium )		58	44.31	34 17
14891	Good Debugging	4	58	43.81	21 17
14926	abdou set	4	58	52.38	6 12
15553	Hamsters	2	58	33.49	30 30
15850	Game	1	58	42.11	1 34
20848	Interesting Game		58	45.09
20931	Square-Free Product (Hard)	2	58	35.98	17 21
21173	String fertilization		58	45.23
36861	Yet Another Perfect Square Equation	9	58	31.82	11 19
1465	On the Way to Find Chris	2	57	15.22	26 26
1803	Fold		57	41.94
1878	Farmers Cattle	1	57	37.62	34 34
1962	Circles		57	19.46
2418	Flying Frogs		57	37.21
2855	Forest		57	12.14
3372	Round Table	1	57	45.00

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