Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9173	Repetitions		8	17.11
9151	Kids Love Candies		396	66.38
9128	Graph basics concepts II		8	22.00
9127	Graph basics concepts II		6	16.67
9115	Prime Kitties	1	129	49.67
9114	String Game	1	63	56.20
9113	Digibomb!		50	65.71
9111	Prime Time		139	35.22
9109	NTH WORD	1	35	35.51
9108	SHAKE		112	38.03	1 1
9106	REARRANGE		123	38.38
9082	Graph basics concepts		17	2.11
9078	Graph basics concepts		14	16.67
8999	Primo Va Primo Viene		10	32.35
8931	PATHS( no source code limit)	1	46	53.89
8911	FREE PATHS		89	40.26
8903	DRAWING IT	1	65	50.21	1 1
8901	BRAINF__K DESIGN	1	21	55.81
8900	LUCKYNINE	2	418	32.02	1 1
8897	Vadivu vs Kanth	1	153	38.85
8865	Brackets	2	240	32.90	17 17
8847	Google is Feeling Lucky		1717	53.30	1 1
8792	N - DIGIT NUMBERS		262	35.71	1 1
8790	Find summits		11	54.55
8755	Overlapping Squares	2	118	34.76	17 1
8754	Cout		44	57.47
8749	Waiting for Easter		82	33.44
8665	Lucky Sequence Again	3	697	52.74	6 17
8650	Grid painting	1	9	27.27	34 34
8649	Prime game		10	26.79
8648	Square number game		14	37.04
8647	String Game		35	52.50
8646	A Simple Game	2	1563	24.18	9 9
8621	Prime Permutations (easy)	1	126	57.24	1 34
8585	Easy Factorials		13	6.78
8582	Data transfer		3	4.88
8544	Lexicographical ordering	2	121	50.18	1 1
8543	The Quine		36	30.03
8530	Skew Binary	1	78	63.86
8524	Back to High School Physics		427	85.51
8494	Lucky Numbers	1	273	60.68	17 17
8493	Colorful Blocks		191	58.04
8492	Intersecting Circles		133	29.34	1 1
8468	AVERAGE	1	1262	38.03	6 6
8459	AVERYEASYPROBLEM		66	56.94
8458	ALIGNSUBTRACT		7	15.56
8444	Problem 5	1	229	40.58	34 34
8443	Problem 4		27	57.14
8441	Problem 2		19	51.28
8440	Verify N queens		50	17.73