Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3251	Slink		15	44.44	1 1
5523	Highway Patrol		15	47.95
5566	Math with Bases		15	11.28
8558	Linear Equation Solver	2	15	28.38	17 34
9440	To Add or to Multiply		15	14.71
9689	Very Boring Homework		15	33.33
9746	Bytelandian Tours		15	24.32
10449	Resource Management		15	25.23
11495	Ignore the bounds	1	15	13.94	9 9
11496	Just the distance		15	10.76	17 17
11935	Decorating the Palace		15	32.08
12600	Blade Master	1	15	40.74	34 17
14387	Science		15	22.33
14883	Box Factory		15	37.78
15060	Elegant Diamond		15	56.25
15248	Swap (Easy - Level 2)		15	30.67	1 1
15576	Aesthetic Text		15	37.21
18511	Cartman and Butters Game		15	29.41
18799	Boring Factorials (Extended)	1	15	14.07	34 17
21049	Under Construction Forever	1	15	44.44	17 34
21171	Fractal domino		15	54.10
21968	Playing with Geometry		15	61.54	17 1
23351	Hiccup And Lucky Dragons		15	9.45	26 17
25480	Invading aliens		15	17.91
34063	Chiaki With Intervals (Easy)		15	50.00
34314	Spaceships in Space	2	15	31.58	17 9
34719	Gift Arrangement	2	15	37.25	26 9
36937	Random Magic Trick	3	15	43.06	34 34
1869	Making Mountains Out Of Molehills	1	14	15.93	34 17
3009	Revenge of Voronoi		14	35.60
3254	Guard		14	51.72
4478	Counting Expressions II		14	35.29
5104	Spam Detection		14	20.69
5373	Four Mines		14	8.10
7402	Repair Depots		14	46.34
8265	Zero Count		14	12.50
9516	XOR Equations		14	18.07
9520	Tanks	1	14	12.41	34 34
9642	Getting There Fast		14	14.49
9691	Triangles and Quadrangle		14	12.32
9944	Ji-Tu Problem		14	10.42
10605	Counting Formations	2	14	56.41	34 34
10799	Happiness at the lowest cost		14	5.61
10883	Customs		14	31.25
14833	The Fox and the Wolf		14	27.52	17 17
14848	Boxlings		14	11.05
20980	Chicken Joggers		14	55.88
21636	Electric Car Rally	1	14	45.65	34 17
25382	Meetings		14	13.30
27092	Balanced Diet		14	39.53

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