Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
14205	Big Fibonacci		13	54.84
14206	Graph Cycle Detection	2	85	17.27	26 9
14217	Longest Maze Path	1	6	27.27
14218	Grid Search		4	45.45
14221	Subwords	1	10	26.15
14297	Power of Phi		46	25.62	1 1
14335	Vowels		38	30.66
14336	Packing Boxes	-1	11	21.88
14337	Luhn Algorithm		31	41.46
14394	Mario meets princess Peach		12	39.13
14437	Alphabetic Relation	1	47	30.20	1 1
14439	Compete or Not	1	4	7.79
14442	Three Circle Problem (MEDIUM)		31	31.92
14506	Bitogoras Number	1	43	32.57	17 17
14523	Geeky Retards		4	31.82
14527	Mandatory Attendance		12	85.71
14558	Tic-tac-toe		8	35.48
14667	The Invasion	-1	26	41.30
14669	First Blood		49	34.91
14670	The Revelations	1	73	55.32	1 17
14671	Bombing Run		29	26.32
14672	Freedom!		126	52.64
14720	Check Of Potential		22	62.50
14721	Knives Are Better	1	20	39.81	34 34
14737	Hello Recursion	3	1471	41.70	11 11
14739	Hard to solve		245	63.18	1 1
14740	Easy!!!		49	50.00
14741	Truckloads	2	567	47.95	1 1
14743	Derivation Sequence		60	51.80
14744	Beautiful Numbers	1	499	57.53	9 9
14745	Reverse	1	423	44.69	1 1
14746	Fibonacci Easy		145	47.22
14749	Omar’s Training I		30	43.30
14752	FIZZBUZZ (Easy)		108	58.92
14775	Sum of Powers		22	33.55
14776	Find Right Triangle	1	77	28.29	1 1
14816	Easy Wavy Routes		30	24.46
14817	Add and Multiply		49	25.35
14818	Team Queue		29	24.50
14854	Bribe the Prisoners(Easy)		9	18.75
14867	PAIRS	1	56	59.26	17 17
14868	SERVERS	1	349	55.14	1 17
14869	THE BOARD	1	22	66.67
14870	ALIENS AND COWS		11	50.00
14872	HAIRY FLU		6	12.50
14884	Equation 2	1	31	38.18	1 17
14908	Find The Number		57	55.80
14920	Minimum Step To One	25	1573	23.78	8 7
14931	Make It Simple		201	23.92
14933	GEEK In The Army		51	53.62