Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8494	Lucky Numbers	2	284	60.46	17 17
8524	Back to High School Physics		431	85.61
8530	Skew Binary	1	79	64.00
8543	The Quine		36	30.27
8544	Lexicographical ordering	2	133	51.36	1 1
8582	Data transfer		4	6.02
8585	Easy Factorials		15	8.10
8621	Prime Permutations (easy)	1	127	57.31	1 34
8646	A Simple Game	2	1566	24.18	9 9
8647	String Game		35	52.63
8648	Square number game		14	37.04
8649	Prime game		11	27.59
8650	Grid painting	1	10	29.73	34 34
8665	Lucky Sequence Again	3	698	52.77	6 17
8749	Waiting for Easter		84	34.15
8754	Cout		44	56.98
8755	Overlapping Squares	2	204	39.61	17 1
8790	Find summits		11	54.55
8792	N - DIGIT NUMBERS		262	35.44	1 1
8847	Google is Feeling Lucky		1717	53.30	1 1
8865	Brackets	2	241	33.04	17 17
8897	Vadivu vs Kanth	1	153	39.08
8900	LUCKYNINE	2	471	32.98	1 1
8901	BRAINF__K DESIGN	1	21	55.81
8903	DRAWING IT	1	65	50.21	1 1
8911	FREE PATHS		89	39.41
8931	PATHS( no source code limit)	1	47	54.12
8999	Primo Va Primo Viene		13	37.50
9078	Graph basics concepts		16	17.24
9082	Graph basics concepts		17	1.39
9106	REARRANGE		123	38.38
9108	SHAKE		113	38.30	1 1
9109	NTH WORD	1	37	36.94
9111	Prime Time		140	34.87
9113	Digibomb!		51	65.18
9114	String Game	1	64	56.56
9115	Prime Kitties	1	129	49.67
9127	Graph basics concepts II		6	16.67
9128	Graph basics concepts II		8	22.00
9151	Kids Love Candies		398	66.23
9173	Repetitions		9	15.27
9188	Edit Distance Variant 1		12	41.03
9189	Edit Distance Variant 2		20	64.10
9261	Cúcara Mácara		14	46.27
9333	Student Proxy	2	190	26.36	17 1
9339	Contains Prime		16	45.00
9361	The Circumference of the Circle	1	31	43.37	34 1
9362	Knight Moves		19	21.85
9369	Progression	1	676	55.69	1 1
9415	It is all about five		164	30.91