Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
15850	Game	1	58	42.11	1 34
20848	Interesting Game		58	45.09
21173	String fertilization		58	45.23
27102	Swap Space	1	58	34.20	1 17
28180	Sanvi Hates Palindrome	5	58	34.15	13 13
174	Paint templates	1	59	41.61	9 17
1800	Fixed Partition Contest Management		59	36.64
2147	Root of a Linear Equation		59	8.47	34 17
2324	Mario	1	59	13.68	34 34
3347	Cestarine		59	34.58
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
14122	Inverse of Recurrence Problem With a Square Root	3	59	49.56	23 45
16134	Save the cows!	5	59	14.08	1 6
16178	Change		59	10.13
16556	Triangle	2	59	47.87	17 17
26187	Captain Claw		59	25.16	17 12
31893	Fibonacci and Easy GCD	7	59	26.71	23 32
34356	Ludic Numbers (medium)	5	59	30.46	36 39
87	Football	1	60	22.08	17 1
4656	Cross Mountain Climb	1	60	32.74	17 34
6692	B - Esperanto Lessons	1	60	62.39	1 17
6986	Summing Slopes		60	35.21
10072	Lights	1	60	47.17	17 34
11482	Count on a trie		60	23.63	42 50
15769	Enjoy Adding GP to Series	2	60	26.50	28 34
18715	Boring Factorials (Reloaded)	1	60	10.26
22560	Valid Path	5	60	38.11	4 7
28742	Pizza Store and Gasoline	4	60	42.60	26 23
34484	Candy pair	7	60	42.17	15 22
34908	Cheesy line	6	60	34.10	5 13
89	Hang or not to hang	1	61	19.26	17 17
1472	Tom and Jerry		61	38.46
1671	Another Mathematical Problem		61	11.52
2125	Number Labyrinth	2	61	24.84	17 17
4551	Match Maker	1	61	22.40
5541	Sequoiadendron	1	61	43.89	17 17
6622	Islands and Hotel Chains	2	61	9.54	45 34
8434	Kolica	2	61	38.00	34 17
8930	Party!	3	61	18.55	17 34
9331	DCD		61	51.22	17 1
9985	Distance	2	61	24.14	42 34
10945	Foodie Golu		61	28.31
12210	High and Low		61	12.63
21671	Jumppy and the Grid	4	61	32.40	21 21
23875	Another Version of Inversion	6	61	30.74	21 21
31972	Ada and Power	5	61	40.54	17 17
32878	N..K..Divide	2	61	22.76	17 34
34112	The Sum of Unitary Divisors	1	61	32.34	17 45

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