Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
14205	Big Fibonacci		14	56.25
14206	Graph Cycle Detection	2	87	17.53	26 9
14217	Longest Maze Path	1	7	30.43
14218	Grid Search		4	50.00
14221	Subwords	1	12	27.54
14297	Power of Phi		47	25.86	1 1
14335	Vowels		38	30.66
14336	Packing Boxes	-1	13	24.24
14337	Luhn Algorithm		31	41.46
14394	Mario meets princess Peach		13	41.67
14437	Alphabetic Relation	1	51	30.97	1 1
14439	Compete or Not	1	6	10.13
14442	Three Circle Problem (MEDIUM)		33	31.33
14506	Bitogoras Number	1	45	33.71	17 17
14523	Geeky Retards		4	31.82
14527	Mandatory Attendance		13	82.61
14558	Tic-tac-toe		8	33.33
14667	The Invasion	-1	27	41.94
14669	First Blood		50	35.29
14670	The Revelations	1	73	55.32	1 17
14671	Bombing Run		29	26.32
14672	Freedom!		126	52.76
14720	Check Of Potential		22	62.50
14721	Knives Are Better	1	21	40.38	34 34
14737	Hello Recursion	3	1494	41.77	11 11
14739	Hard to solve		245	63.18	1 1
14740	Easy!!!		49	50.00
14741	Truckloads	2	575	48.14	1 1
14743	Derivation Sequence		60	51.80
14744	Beautiful Numbers	1	500	57.59	9 9
14745	Reverse	1	426	44.75	1 1
14746	Fibonacci Easy		146	47.37
14749	Omar’s Training I		30	43.30
14752	FIZZBUZZ (Easy)		109	59.03
14775	Sum of Powers		21	33.55
14776	Find Right Triangle	1	79	29.25	1 1
14816	Easy Wavy Routes		30	24.46
14817	Add and Multiply		49	25.35
14818	Team Queue		30	25.00
14854	Bribe the Prisoners(Easy)		10	20.00
14867	PAIRS	1	56	59.26	17 17
14868	SERVERS	1	351	55.12	1 17
14869	THE BOARD	1	22	66.67
14870	ALIENS AND COWS		11	50.00
14872	HAIRY FLU		9	15.71
14884	Equation 2	1	31	38.18	1 17
14908	Find The Number		58	56.16
14920	Minimum Step To One	25	1577	23.77	8 7
14931	Make It Simple		202	23.95
14933	GEEK In The Army		51	53.62