Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7885	Happy Numbers II - Trial		279	49.68	34 17
7893	Weekdays		23	52.10
7910	PECOS STRING		22	47.17
7925	Fibonnaci Parity		28	24.11
8060	Cookies Piles	4	4075	70.98	1 4
8094	Treasure map		49	95.73
8142	Recursive function	1	75	43.50
8144	Game of 3 cards		43	40.74	1 1
8146	Integer Concatenation		5	50.00
8147	Waiting Queue	1	93	29.83	1 17
8149	Intersection	1	127	18.66	17 17
8152	Smart Bunny	1	71	35.22	17 17
8191	Gold distribution	1	16	46.15	17 17
8214	Problem 1		250	15.16
8215	Problem 2	1	578	25.65
8216	Problem 3		109	23.47
8218	Problem 4		79	35.46
8219	Problem 5		203	22.33	17 17
8223	Binary Strings		27	51.56
8224	Perfect Composites		40	19.47
8226	PrePrimes	1	13	42.86	17 17
8227	Fibonacci Terms		42	52.17
8232	Fun With Primes	2	86	39.46	1 1
8264	Find The Pattern		14	18.18
8266	Compare The Strings		100	53.03
8267	Welcome To Code - Easy		18	59.52
8268	Welcome To Code - Hard		8	45.00
8289	Find the unique Number		161	26.86
8293	Bit count	-1	62	36.48
8294	Largest Square in a Circle		143	54.11
8354	Birthday cake		81	44.29	1 1
8360	Prime After N	-1	305	50.00	1 1
8373	AVION		1438	41.55
8377	PRAYER QUEUE		19	55.26
8379	count frequency of digits		23	50.00
8380	COUNT ATTENDANCE		15	57.69
8395	ZBROJ		392	60.91
8412	Greedy Government		168	53.24
8413	Clean the Forum Posts		436	48.64
8437	MODULUS	1	421	53.23
8439	VijayAndAjith		80	69.29
8440	Verify N queens		50	17.73
8441	Problem 2		19	51.28
8443	Problem 4		27	57.14
8444	Problem 5	1	233	39.93	34 34
8458	ALIGNSUBTRACT		9	15.52
8459	AVERYEASYPROBLEM		66	56.94
8468	AVERAGE	1	1263	38.03	6 6
8492	Intersecting Circles		145	29.88	1 1
8493	Colorful Blocks		193	58.35