Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7885	Happy Numbers II - Trial		283	49.66	34 17
7893	Weekdays		24	51.61
7910	PECOS STRING		29	52.31
7925	Fibonnaci Parity		29	24.14
8060	Cookies Piles	4	4082	70.94	1 4
8094	Treasure map		53	95.89
8142	Recursive function	1	77	43.56
8144	Game of 3 cards		49	42.86	1 1
8146	Integer Concatenation		11	64.52
8147	Waiting Queue	1	98	31.23	1 17
8149	Intersection	1	131	18.80	17 17
8152	Smart Bunny	1	73	34.87	17 17
8191	Gold distribution	1	18	30.23	17 17
8214	Problem 1		254	15.32
8215	Problem 2	1	582	25.75
8216	Problem 3		114	24.20
8218	Problem 4		84	36.81
8219	Problem 5		207	22.64	17 17
8223	Binary Strings		27	50.79
8224	Perfect Composites		42	18.80
8226	PrePrimes	2	18	35.38	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	27.15
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
8377	PRAYER QUEUE		22	58.54
8379	count frequency of digits		25	50.00
8380	COUNT ATTENDANCE		18	60.00
8395	ZBROJ		398	61.28
8412	Greedy Government		171	53.15
8413	Clean the Forum Posts		442	48.94
8437	MODULUS	1	430	53.50
8439	VijayAndAjith		82	68.70
8440	Verify N queens		52	18.21
8441	Problem 2		22	36.51
8443	Problem 4		32	60.66
8444	Problem 5	1	241	40.05	34 34
8458	ALIGNSUBTRACT		12	18.46
8459	AVERYEASYPROBLEM		71	57.87
8468	AVERAGE	1	1267	38.04	6 6
8492	Intersecting Circles		154	30.08	1 1
8493	Colorful Blocks		197	58.72