Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8226	PrePrimes	2	19	35.61	17 17
8227	Fibonacci Terms		47	47.73
8232	Fun With Primes	2	88	39.47	1 1
8264	Find The Pattern		20	22.94
8266	Compare The Strings		103	53.36
8267	Welcome To Code - Easy		22	63.27
8268	Welcome To Code - Hard		24	29.77
8289	Find the unique Number		165	27.05
8293	Bit count	-1	66	37.70
8294	Largest Square in a Circle		146	54.00
8354	Birthday cake		87	46.29	1 1
8360	Prime After N	-1	314	50.40	1 1
8373	AVION		1443	41.64
8379	count frequency of digits		25	50.00
8395	ZBROJ		398	61.28
8412	Greedy Government		171	53.15
8413	Clean the Forum Posts		443	48.99
8437	MODULUS	1	430	53.50
8440	Verify N queens		52	18.21
8441	Problem 2		22	36.51
8443	Problem 4		32	59.38
8444	Problem 5	1	243	40.32	34 34
8458	ALIGNSUBTRACT		12	18.46
8459	AVERYEASYPROBLEM		71	57.87
8468	AVERAGE	1	1266	38.02	6 6
8492	Intersecting Circles		161	29.97	1 1
8493	Colorful Blocks		197	58.72
8494	Lucky Numbers	2	289	60.58	17 17
8524	Back to High School Physics		435	85.82
8530	Skew Binary	1	82	64.17
8544	Lexicographical ordering	2	148	51.70	1 1
8585	Easy Factorials		20	10.38
8621	Prime Permutations (easy)	1	133	56.95	1 34
8646	A Simple Game	2	1571	24.22	9 9
8647	String Game		41	56.63
8648	Square number game		14	31.37
8649	Prime game		15	31.82
8650	Grid painting	1	14	20.97	34 34
8665	Lucky Sequence Again	3	705	53.00	6 17
8749	Waiting for Easter		89	34.99
8754	Cout		48	59.78
8755	Overlapping Squares	2	208	39.94	17 1
8790	Find summits		18	60.27
8792	N - DIGIT NUMBERS		267	35.64	1 1
8847	Google is Feeling Lucky		1719	53.35	1 1
8897	Vadivu vs Kanth	1	157	38.50
8900	LUCKYNINE	3	477	33.16	1 1
8901	BRAINF__K DESIGN	1	21	55.81
8911	FREE PATHS		90	39.61
8931	PATHS( no source code limit)	1	50	54.24