Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9188	Edit Distance Variant 1		16	40.82
9173	Repetitions		13	16.90
9151	Kids Love Candies		399	66.28
9128	Graph basics concepts II		8	15.49
9127	Graph basics concepts II		6	11.67
9115	Prime Kitties	1	132	48.63
9114	String Game	1	68	57.94
9113	Digibomb!		55	66.38
9111	Prime Time		143	35.33
9109	NTH WORD	1	42	39.66
9108	SHAKE		114	38.54	1 1
9106	REARRANGE		128	38.80
9082	Graph basics concepts		17	1.18
9078	Graph basics concepts		22	20.47
8999	Primo Va Primo Viene		15	35.42
8931	PATHS( no source code limit)	1	50	54.24
8911	FREE PATHS		90	39.61
8903	DRAWING IT	1	65	50.21	1 1
8901	BRAINF__K DESIGN	1	21	55.81
8900	LUCKYNINE	3	477	33.16	1 1
8897	Vadivu vs Kanth	1	157	38.50
8865	Brackets	2	246	33.26	17 17
8847	Google is Feeling Lucky		1719	53.35	1 1
8792	N - DIGIT NUMBERS		267	35.64	1 1
8790	Find summits		18	60.27
8755	Overlapping Squares	2	208	39.94	17 1
8754	Cout		48	59.78
8749	Waiting for Easter		89	34.99
8665	Lucky Sequence Again	3	705	53.00	6 17
8650	Grid painting	1	14	20.97	34 34
8649	Prime game		15	31.82
8648	Square number game		14	31.37
8647	String Game		41	56.63
8646	A Simple Game	2	1571	24.22	9 9
8621	Prime Permutations (easy)	1	133	56.95	1 34
8585	Easy Factorials		20	10.38
8582	Data transfer		6	9.20
8544	Lexicographical ordering	2	148	51.70	1 1
8543	The Quine		36	30.27
8530	Skew Binary	1	82	64.17
8524	Back to High School Physics		435	85.82
8494	Lucky Numbers	2	289	60.58	17 17
8493	Colorful Blocks		197	58.72
8492	Intersecting Circles		161	29.97	1 1
8468	AVERAGE	1	1266	38.02	6 6
8459	AVERYEASYPROBLEM		71	57.87
8458	ALIGNSUBTRACT		12	18.46
8444	Problem 5	1	243	40.32	34 34
8443	Problem 4		32	59.38
8441	Problem 2		22	36.51