Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
8224	Perfect Composites	40	19.47
8227	Fibonacci Terms	42	52.17
8264	Find The Pattern	15	18.56
8266	Compare The Strings	98	52.67
8267	Welcome To Code - Easy	18	59.52
8268	Welcome To Code - Hard	8	45.00
8289	Find the unique Number	158	26.75
8294	Largest Square in a Circle	143	54.11
8354	Birthday cake	80	44.81	1 1
8373	AVION	1438	41.55
8377	PRAYER QUEUE	20	60.98
8379	count frequency of digits	23	50.00
8380	COUNT ATTENDANCE	16	67.74
8395	ZBROJ	390	60.80
8412	Greedy Government	166	53.16
8413	Clean the Forum Posts	435	48.59
8439	VijayAndAjith	80	69.29
8440	Verify N queens	50	17.73
8441	Problem 2	19	51.28
8443	Problem 4	27	57.14
8458	ALIGNSUBTRACT	7	15.56
8459	AVERYEASYPROBLEM	66	56.94
8492	Intersecting Circles	133	29.34	1 1
8493	Colorful Blocks	191	58.04
8524	Back to High School Physics	426	85.48
8543	The Quine	36	30.03
8582	Data transfer	3	4.88
8585	Easy Factorials	13	6.78
8647	String Game	35	52.50
8648	Square number game	14	37.04
8649	Prime game	10	26.79
8749	Waiting for Easter	82	33.44
8754	Cout	44	57.47
8790	Find summits	11	54.55
8792	N - DIGIT NUMBERS	262	35.71	1 1
8847	Google is Feeling Lucky	1717	53.30	1 1
8911	FREE PATHS	89	40.26
8999	Primo Va Primo Viene	10	32.35
9078	Graph basics concepts	14	16.67
9082	Graph basics concepts	17	2.37
9106	REARRANGE	123	38.38
9108	SHAKE	112	38.03	1 1
9111	Prime Time	139	35.22
9113	Digibomb!	50	65.71
9127	Graph basics concepts II	6	16.67
9128	Graph basics concepts II	8	22.00
9151	Kids Love Candies	396	66.38
9173	Repetitions	8	17.11
9188	Edit Distance Variant 1	12	41.03
9189	Edit Distance Variant 2	20	64.10