Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8494	Lucky Numbers	2	289	60.58	17 17
8524	Back to High School Physics		433	85.65
8530	Skew Binary	1	81	64.03
8543	The Quine		36	30.27
8544	Lexicographical ordering	2	141	51.78	1 1
8582	Data transfer		6	9.20
8585	Easy Factorials		20	10.38
8621	Prime Permutations (easy)	1	133	56.95	1 34
8646	A Simple Game	2	1571	24.22	9 9
8647	String Game		41	56.63
8648	Square number game		14	31.37
8649	Prime game		15	31.82
8650	Grid painting	1	14	20.97	34 34
8665	Lucky Sequence Again	3	705	53.00	6 17
8749	Waiting for Easter		89	34.99
8754	Cout		48	59.78
8755	Overlapping Squares	2	208	39.94	17 1
8790	Find summits		18	60.27
8792	N - DIGIT NUMBERS		266	35.57	1 1
8847	Google is Feeling Lucky		1719	53.35	1 1
8865	Brackets	2	246	33.26	17 17
8897	Vadivu vs Kanth	1	157	38.50
8900	LUCKYNINE	3	475	33.06	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		22	20.47
9082	Graph basics concepts		17	1.28
9106	REARRANGE		128	38.80
9108	SHAKE		114	38.42	1 1
9109	NTH WORD	1	42	39.66
9111	Prime Time		142	35.15
9113	Digibomb!		55	66.38
9114	String Game	1	68	57.94
9115	Prime Kitties	1	132	48.63
9127	Graph basics concepts II		6	11.67
9128	Graph basics concepts II		8	15.49
9151	Kids Love Candies		399	66.28
9173	Repetitions		13	16.90
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	195	26.69	17 1
9339	Contains Prime		19	41.18
9361	The Circumference of the Circle	1	35	44.94	34 1
9362	Knight Moves		21	24.00
9369	Progression	1	680	55.73	1 1
9415	It is all about five		167	31.26