Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7675	Squares		79	36.55
7674	Easy Game		50	53.23
7673	Making your own Calculator		15	15.04
7672	Salsa Dance		173	33.85
7667	Minimum and maximum numbers		322	22.82
7663	Return SIGSEGV	2	1211	39.39	26 26
7483	C style constants		26	66.06
7431	Vikram & Betaal	1	55	69.15	1 1
7414	Thank you Chief ;)		233	46.80	1 1
7413	Tile game		61	49.01
7411	Reward for the hard work		82	54.55
7289	Reverse text		262	35.57
7287	Making Palindrome		13	15.45
7274	Fibonacci Representation	1	24	45.07
7273	Rank of a Permutation		89	49.55
7272	Take Away Game	1	120	18.64	17 34
7267	Basics		3	57.14
7262	Nth greater value	-1	106	50.58
7237	Biggest !	1	448	15.97	1 17
7236	The next odd number	1	480	47.89	1 1
7215	No Red Lights Pl !!		28	18.92
7207	Alchemy	1	2239	39.96	1 1
7136	Blowing Fuses		98	28.22
7129	Happy Telephones	1	258	49.50
6705	Card Game		8	22.58
6703	SBE201 Palindromes		8	38.10
6677	Rope Intranet		131	48.77
6667	How Many Trees 2		14	19.48
6666	How Many Trees 1		19	33.85
6656	Lexicographic Order 4		7	42.11
6655	Lexicographic Order 3		5	12.20
6654	Lexicographic Order 2	1	52	32.64	17 17
6653	Lexicographic Order 1		19	69.23
6651	Snapper Chain	1	68	46.03
6645	SBE201 Linked List		161	14.44	9 1
6528	Circle Counting		53	50.62	1 1
6524	Find the group		54	43.98
6523	Digital Root Counter		82	60.51
6521	SuperPower		35	50.00
6501	Median	5	261	25.37	17 17
6334	Success	-3	856	43.97	12 13
6192	H Function		96	36.88
5966	Generalized Chess		45	45.61
5965	The Element of Surprise		125	49.83
5900	Decreasing Strings	-1	84	48.76
5899	A simple equation	3	292	41.20	9 17
5874	Square	-1	52	23.98	1 1
5873	Rnumber	1	15	26.83	17 17
5872	Anagram		884	44.84	1 1
5871	Grid		80	21.90	1 1