Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
12083	Appetizer		122	51.45
12092	Dessert		113	44.52
12100	Main Course		7	27.03
12101	Entrée		144	49.65
12111	FirstProblem		111	58.66
12112	SecondProblem		59	93.48	1 1
12165	Encrypted String		12	21.13
12166	Reverse And Add		54	32.60
12167	Fibonacci starters		29	38.55
12168	APGP Tutorial		25	20.14
12169	General Number Series		61	29.96
12184	Help the statistics department	2	37	42.34	9 17
12208	The Chain Reaction		16	40.43
12239	Natalia Got A Problem		24	40.98
12271	Speed test - Pyramid version		28	82.81
12272	Speed test - Cube version		29	71.23
12275	Meeting and Dating		147	34.00
12276	Subset and upset	1	63	54.33	1 34
12282	Word or number (easiest 2)	-1	219	67.09
12289	Grid Travel		68	26.94
12348	Sum of Subsets	3	298	35.04	12 6
12372	In Debt		370	64.68	1 1
12395	Maximizing the equation		79	39.84
12396	Johnny divides by 2	2	205	39.81	1 1
12410	No more Johnny		61	37.56
12412	Johnny Learns Modular exponentiation	4	716	22.91	6 12
12447	LOVER BOY	-1	62	38.03	1 1
12454	Permutation		46	44.95
12455	Order		17	64.79
12456	NUMBER SERIES		77	43.75
12457	HELP NERUBAN	1	455	28.57	1 1
12458	Unique strings		149	90.72	1 1
12460	Eat a Good Meal	-1	9	59.09	1 1
12465	Shared Letters		95	68.63
12466	Closest Points		82	58.10	17 1
12473	INVITATION FOR TECHOFES	1	109	32.35	17 9
12509	STRING PROBLEM		41	44.00
12510	JUMPING DORA		88	36.13
12511	CUBE ROOT	1	47	11.44	34 17
12523	Nuts Frenzy		89	16.38	1 17
12540	It is Super Effective	1	38	53.54	1 1
12564	Innovative Combination	2	109	54.14	9 9
12607	Missing one		22	88.37
12608	Switch	1	26	81.19
12648	The Last Exam		8	42.86
12650	Even and Odd	1	60	35.68
12753	Fan Switches	1	232	67.23	1 1
12793	The power of two		105	51.00
12801	Browsing History		47	39.53
12823	Print Big Binary Numbers		17	63.38

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