Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
4192	Lucky cities	17	32.88
4193	Quick answer	4	16.00
4196	Internet Service Providers	44	29.79
4205	Highway - MSE07F	7	69.23
4207	Mobile (Again)	13	61.29
4215	Inversions	54	55.98
4245	Place the Numbers I	6	3.35
4304	Pawn	13	43.75
4422	A Dwarf - N Snow Whites	0	0.00
4500	Helms Deep	120	39.75	1 1
4543	Mysterio s Menace	85	38.85
4768	Cool Numbers	203	37.21
4770	Add and Reverse Sums	196	29.77
4788	MCD	95	74.83
4832	Pitagoras y Fermat	27	34.59
4834	Happy Sequence	245	74.44
4854	Primo Kripta	23	35.87
4865	Yupana inca	25	74.42
4869	Flat Land	2	12.00
4872	Good Sequence	234	69.72
5009	Alphabet Arithmetic	71	29.51
5195	Angry Knights	20	30.43
5200	Lsu Football	27	85.22
5228	Old problem	47	29.69
5241	Alchemy	446	54.04
5302	Surprising Strings	24	52.00	17 1
5313	Root of the Problem	184	50.24	1 1
5371	Rational Number	144	42.80
5387	Interesting determinant	49	46.15
5447	Probability One	474	69.41
5779	Interleaved Periodic String	42	54.76
5848	Filip	343	66.73
5871	Grid	75	20.45	1 1
5872	Anagram	878	44.87	1 1
5965	The Element of Surprise	122	49.32
5966	Generalized Chess	42	44.14
6192	H Function	95	36.90
6521	SuperPower	33	50.83
6523	Digital Root Counter	82	60.51
6524	Find the group	47	41.53
6528	Circle Counting	47	49.02	1 1
6645	SBE201 Linked List	157	14.21	9 1
6653	Lexicographic Order 1	11	61.29
6655	Lexicographic Order 3	3	9.68
6656	Lexicographic Order 4	4	62.50
6666	How Many Trees 1	17	31.75
6667	How Many Trees 2	12	36.11
6677	Rope Intranet	127	48.07
6703	SBE201 Palindromes	5	35.71
6705	Card Game	7	27.91