Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7885	Happy Numbers II - Trial		280	49.68	34 17
7893	Weekdays		24	51.61
7910	PECOS STRING		25	50.00
7925	Fibonnaci Parity		28	23.78
8060	Cookies Piles	4	4082	70.94	1 4
8094	Treasure map		51	95.81
8142	Recursive function	1	75	43.50
8144	Game of 3 cards		45	41.44	1 1
8146	Integer Concatenation		8	54.17
8147	Waiting Queue	1	94	30.52	1 17
8149	Intersection	1	128	18.68	17 17
8152	Smart Bunny	1	72	35.50	17 17
8191	Gold distribution	1	16	42.86	17 17
8214	Problem 1		251	15.20
8215	Problem 2	1	580	25.70
8216	Problem 3		111	23.84
8218	Problem 4		82	36.14
8219	Problem 5		204	22.41	17 17
8223	Binary Strings		27	51.56
8224	Perfect Composites		41	18.68
8226	PrePrimes	2	15	40.19	17 17
8227	Fibonacci Terms		45	49.06
8232	Fun With Primes	2	86	39.47	1 1
8264	Find The Pattern		18	21.70
8266	Compare The Strings		100	53.03
8267	Welcome To Code - Easy		21	62.50
8268	Welcome To Code - Hard		11	45.24
8289	Find the unique Number		163	27.17
8293	Bit count	-1	62	36.33
8294	Largest Square in a Circle		144	54.27
8354	Birthday cake		86	45.81	1 1
8360	Prime After N	-1	312	50.34	1 1
8373	AVION		1441	41.59
8377	PRAYER QUEUE		20	56.41
8379	count frequency of digits		23	50.00
8380	COUNT ATTENDANCE		16	57.14
8395	ZBROJ		394	61.01
8412	Greedy Government		169	53.33
8413	Clean the Forum Posts		440	48.84
8437	MODULUS	1	426	53.36
8439	VijayAndAjith		80	68.22
8440	Verify N queens		50	18.15
8441	Problem 2		20	47.73
8443	Problem 4		30	59.32
8444	Problem 5	1	240	40.16	34 34
8458	ALIGNSUBTRACT		10	16.67
8459	AVERYEASYPROBLEM		69	57.48
8468	AVERAGE	1	1265	38.02	6 6
8492	Intersecting Circles		147	29.76	1 1
8493	Colorful Blocks		195	58.66