Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8494	Lucky Numbers	2	287	60.55	17 17
8524	Back to High School Physics		432	85.63
8530	Skew Binary	1	81	64.03
8543	The Quine		36	30.27
8544	Lexicographical ordering	2	138	51.64	1 1
8582	Data transfer		5	7.06
8585	Easy Factorials		17	9.09
8621	Prime Permutations (easy)	1	133	56.95	1 34
8646	A Simple Game	2	1569	24.20	9 9
8647	String Game		40	56.10
8648	Square number game		15	33.33
8649	Prime game		14	30.77
8650	Grid painting	1	10	18.33	34 34
8665	Lucky Sequence Again	3	703	52.94	6 17
8749	Waiting for Easter		88	34.80
8754	Cout		48	59.34
8755	Overlapping Squares	2	208	39.94	17 1
8790	Find summits		17	61.43
8792	N - DIGIT NUMBERS		265	35.49	1 1
8847	Google is Feeling Lucky		1718	53.31	1 1
8865	Brackets	2	244	33.15	17 17
8897	Vadivu vs Kanth	1	157	38.50
8900	LUCKYNINE	3	474	33.14	1 1
8901	BRAINF__K DESIGN	1	21	55.81
8903	DRAWING IT	1	65	50.21	1 1
8911	FREE PATHS		90	39.61
8931	PATHS( no source code limit)	1	50	54.24
8999	Primo Va Primo Viene		15	35.42
9078	Graph basics concepts		20	19.20
9082	Graph basics concepts		17	1.38
9106	REARRANGE		127	38.64
9108	SHAKE		114	38.42	1 1
9109	NTH WORD	1	42	39.66
9111	Prime Time		141	35.01
9113	Digibomb!		54	66.09
9114	String Game	1	68	57.94
9115	Prime Kitties	1	130	48.41
9127	Graph basics concepts II		6	12.73
9128	Graph basics concepts II		8	20.00
9151	Kids Love Candies		399	66.28
9173	Repetitions		11	15.71
9188	Edit Distance Variant 1		15	39.58
9189	Edit Distance Variant 2		21	60.00
9261	Cúcara Mácara		17	45.95
9333	Student Proxy	2	194	26.61	17 1
9339	Contains Prime		19	41.18
9361	The Circumference of the Circle	1	33	44.71	34 1
9362	Knight Moves		21	24.00
9369	Progression	1	680	55.73	1 1
9415	It is all about five		165	31.03