Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
12083	Appetizer		125	51.05
12092	Dessert		117	44.95
12100	Main Course		8	18.97
12101	Entrée		148	50.11
12111	FirstProblem		114	59.40
12112	SecondProblem		67	94.17	1 1
12165	Encrypted String		11	12.09
12166	Reverse And Add		58	33.69
12167	Fibonacci starters		32	40.23
12168	APGP Tutorial		27	21.28
12169	General Number Series		61	29.69
12184	Help the statistics department	2	39	39.74	9 17
12208	The Chain Reaction		18	33.87
12239	Natalia Got A Problem		24	35.71
12271	Speed test - Pyramid version		31	81.43
12272	Speed test - Cube version		32	70.27
12275	Meeting and Dating		153	35.19
12276	Subset and upset	1	69	54.20	1 34
12282	Word or number (easiest 2)	-1	223	67.49
12289	Grid Travel		71	27.64
12348	Sum of Subsets	3	300	35.12	12 6
12372	In Debt		373	64.85	1 1
12395	Maximizing the equation		83	40.23
12396	Johnny divides by 2	3	209	40.28	1 1
12410	No more Johnny		61	35.58
12412	Johnny Learns Modular exponentiation	4	736	23.09	6 12
12447	LOVER BOY	-1	67	43.81	1 1
12454	Permutation		51	47.83
12455	Order		18	65.28
12456	NUMBER SERIES		79	43.78
12457	HELP NERUBAN	1	466	28.91	1 1
12458	Unique strings		152	90.81	1 1
12460	Eat a Good Meal	-1	10	62.96	1 1
12465	Shared Letters		95	68.63
12466	Closest Points		82	58.10	17 1
12473	INVITATION FOR TECHOFES	1	114	32.77	17 9
12509	STRING PROBLEM		43	42.99
12510	JUMPING DORA		90	36.31
12511	CUBE ROOT	1	48	11.51	34 17
12523	Nuts Frenzy		93	16.29	1 17
12540	It is Super Effective	1	38	46.90	1 1
12564	Innovative Combination	2	113	54.38	9 9
12607	Missing one		24	89.80
12608	Switch	1	32	81.65
12648	The Last Exam		14	55.56
12650	Even and Odd	1	66	35.18
12753	Fan Switches	1	236	67.46	1 1
12793	The power of two		107	50.78
12801	Browsing History		51	40.44
12823	Print Big Binary Numbers		17	59.73

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