Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7674	Easy Game		45	52.46
7673	Making your own Calculator		13	15.69
7672	Salsa Dance		167	34.12
7667	Minimum and maximum numbers		260	33.30
7663	Return SIGSEGV	2	1208	39.39	26 26
7483	C style constants		22	65.00
7431	Vikram & Betaal	1	52	68.48	1 1
7414	Thank you Chief ;)		225	46.05	1 1
7413	Tile game		56	47.95
7411	Reward for the hard work		79	53.93
7289	Reverse text		262	35.75
7287	Making Palindrome		12	44.44
7274	Fibonacci Representation	1	24	39.08
7273	Rank of a Permutation		87	49.08
7272	Take Away Game	1	118	20.22	17 34
7267	Basics		3	57.14
7262	Nth greater value		101	51.43
7237	Biggest !	1	448	15.98	1 17
7236	The next odd number	1	469	47.63	1 1
7215	No Red Lights Pl !!		23	17.75
7207	Alchemy	1	2232	39.88	1 1
7136	Blowing Fuses		90	26.72
7129	Happy Telephones	1	253	49.23
6705	Card Game		7	27.91
6703	SBE201 Palindromes		5	35.71
6677	Rope Intranet		127	48.07
6667	How Many Trees 2		12	36.11
6666	How Many Trees 1		17	31.75
6656	Lexicographic Order 4		4	62.50
6655	Lexicographic Order 3		3	9.68
6654	Lexicographic Order 2	1	43	33.95	17 17
6653	Lexicographic Order 1		11	61.29
6651	Snapper Chain	1	65	45.30
6645	SBE201 Linked List		157	14.21	9 1
6528	Circle Counting		47	49.02	1 1
6524	Find the group		47	41.53
6523	Digital Root Counter		82	60.51
6521	SuperPower		33	50.83
6501	Median	5	254	24.94	17 17
6334	Success	-3	855	43.93	12 13
6192	H Function		95	36.90
5966	Generalized Chess		42	44.14
5965	The Element of Surprise		122	49.32
5900	Decreasing Strings	-1	83	48.77
5899	A simple equation	3	263	39.90	9 17
5874	Square	-1	45	21.19	1 1
5873	Rnumber	1	10	28.00	17 17
5872	Anagram		878	44.87	1 1
5871	Grid		75	20.45	1 1
5848	Filip		343	66.73