Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
31138	Just Sum	-1	8	13.19
22123	Destroy Enemy Camp		3	13.04
21566	Dictionary		4	12.90
16665	The new species		4	12.50
12511	CUBE ROOT	1	49	12.26	34 17
10494	Celebration	-1	14	12.20	1 1
4869	Flat Land		2	12.00
27043	Subset Pattern		33	11.98	1 1
34625	Maximum K in a Window		7	11.96
28105	MCQ		5	11.63
23691	Next Round		17	11.42
28561	Number of divisors	8	135	11.16	20 20
25190	Balloons		24	10.95
10331	Sample		38	10.92
30784	Ada and Pear		9	10.87
22788	Research Problems	2	3	10.71
20750	Remove Duplicates 3		23	10.50
19915	Leapyear		12	10.43
25310	TCX	-1	5	10.42
28010	Copy Cat		17	10.42
16031	3 Fibonacci sum		28	10.17
7785	ARRAY(EASY)		98	10.08
19787	Mr Toothless and His Number Theory		6	10.00
40750	Parity Issue		1	10.00
25754	Best Two		32	9.88	1 1
27306	Detecting End Of File - Tutorial		4	9.76
6655	Lexicographic Order 3		3	9.68
25213	Counting Is Easy		42	9.57	17 17
4190	A plus B	2	95	9.40	1 1
13238	SAMPLE PROB		5	9.38
16669	The Wicked Employer		1	9.09
13510	Just multiply !		8	9.00
11040	UJ Test 1		11	8.97
27299	Find Log	1	123	8.90	1 1
36341	Sum Input-Output Practice		112	8.86
21523	A multiplied B equal to N		1	8.82
31288	Too Late		55	8.62	1 17
23543	Networking lover Poltu!	1	10	8.48
34664	LCM Game		42	8.42	1 1
10552	KAM		7	8.33
527	Just for Fun (Easy)		108	8.22
14934	So Close!		8	8.05
25008	New Currency Shopping	1	11	7.69	34 17
28123	Modular Multiplication		5	7.69
27363	Decryption Key		2	7.41
33792	String	1	20	7.34
27068	Leaf	1	66	7.32	9 1
10211	The Collatz Sequence	-1	71	7.31	1
8585	Easy Factorials		13	6.78
13951	DRAWING NUMBERS	-1	4	6.25	1 1