Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8494	Lucky Numbers	2	286	60.59	17 17
8524	Back to High School Physics		431	85.61
8530	Skew Binary	1	80	63.89
8543	The Quine		36	30.27
8544	Lexicographical ordering	2	137	51.49	1 1
8582	Data transfer		4	6.02
8585	Easy Factorials		16	8.43
8621	Prime Permutations (easy)	1	131	57.33	1 34
8646	A Simple Game	2	1569	24.20	9 9
8647	String Game		38	54.43
8648	Square number game		15	33.33
8649	Prime game		12	27.87
8650	Grid painting	1	10	20.75	34 34
8665	Lucky Sequence Again	3	701	52.86	6 17
8749	Waiting for Easter		88	34.95
8754	Cout		46	57.95
8755	Overlapping Squares	2	206	39.78	17 1
8790	Find summits		13	56.14
8792	N - DIGIT NUMBERS		262	35.44	1 1
8847	Google is Feeling Lucky		1717	53.30	1 1
8865	Brackets	2	243	33.08	17 17
8897	Vadivu vs Kanth	1	157	38.50
8900	LUCKYNINE	3	475	33.12	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		13	37.50
9078	Graph basics concepts		20	20.00
9082	Graph basics concepts		17	1.38
9106	REARRANGE		126	38.48
9108	SHAKE		114	38.42	1 1
9109	NTH WORD	1	40	38.60
9111	Prime Time		140	34.87
9113	Digibomb!		53	65.79
9114	String Game	1	66	57.26
9115	Prime Kitties	1	130	49.57
9127	Graph basics concepts II		6	16.67
9128	Graph basics concepts II		8	20.00
9151	Kids Love Candies		399	66.28
9173	Repetitions		11	16.42
9188	Edit Distance Variant 1		13	40.48
9189	Edit Distance Variant 2		21	60.00
9261	Cúcara Mácara		15	47.06
9333	Student Proxy	2	194	26.61	17 1
9339	Contains Prime		19	41.18
9361	The Circumference of the Circle	1	31	43.37	34 1
9362	Knight Moves		21	24.00
9369	Progression	1	678	55.72	1 1
9415	It is all about five		165	31.03