Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
13662	H Number	152	53.67
13669	I Robot	40	28.85
13674	Play with Matrices	38	29.57
13675	Tanks	215	51.55	1 1
13677	Azooz	243	55.48
13681	Matrix City	33	59.15
13690	Names	13	71.43
13709	Tutorial BFS	139	33.59	12 6
13812	CAMPANAS1	26	25.64
13837	Repeated Numbers	7	49.30
13839	CAMPANAS2	21	19.17
13841	CAMPANAS3	24	28.57
13879	TWO BISHOPS	130	29.69	1 1
13934	Palindrome Pair	15	24.72
14013	Complete Binary Tree	198	32.68	1 1
14020	Happy Birthday !!!	134	25.20	1 1
14037	Late Summer Battle	7	92.86
14038	Autumn Leaves (Easy)	20	91.49
14039	Summer Play	19	92.68
14040	Winter Shopping	22	90.00
14087	Good Arrays	26	70.00
14088	Very Tasty Meals	26	28.89
14089	Longest Smiley Face	27	62.96	1 1
14090	Moving the dog around	41	53.00
14091	Mighty Powers	60	56.52
14114	Mysterious Number	52	21.49	17 17
14120	LED Board	18	24.63
14121	Save the girlfriend	11	10.29
14124	S Number	62	50.00
14135	Right Triangle	45	28.06
14167	Sight Logic	1	0.28
14199	Prime Summation	14	65.52
14204	Greatest Common Divisor	17	58.62
14205	Big Fibonacci	14	56.25
14218	Grid Search	4	50.00
14297	Power of Phi	47	25.86	1 1
14335	Vowels	38	30.66
14337	Luhn Algorithm	31	41.46
14394	Mario meets princess Peach	13	41.67
14442	Three Circle Problem (MEDIUM)	34	31.49
14523	Geeky Retards	4	31.82
14527	Mandatory Attendance	13	82.61
14558	Tic-tac-toe	8	33.33
14669	First Blood	51	35.67
14671	Bombing Run	29	26.32
14672	Freedom!	126	52.76
14720	Check Of Potential	22	62.50
14739	Hard to solve	246	63.25	1 1
14740	Easy!!!	49	50.46
14743	Derivation Sequence	60	51.80