Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
13203	Sort them All		145	39.72	1 1
13204	Easy as Cake		273	58.47	1 1
13206	Multiples		147	45.20	1 1
13207	Digital Triangle	1	111	49.19	1 1
13208	In Love with Loops	1	60	39.17	1 1
13209	Divisors		140	45.40	1 1
13210	Fun Triangle		115	32.73	1 1
13212	Seconds Apart	1	53	36.72	1 1
13213	Rectangle Intersection	1	60	17.87	1 1
13215	Kings on an Infinite Chessboard		63	34.55	1 1
13216	Progression		56	32.15	1 1
13238	SAMPLE PROB		5	9.38
13276	Who is Mafia	1	213	56.72	21 21
13356	Count Zero	1	65	90.42	9 17
13383	Next odd extreme golf	-1	22	57.78	50 1
13385	Balanced Bracket Expression		21	22.61
13386	Rotations		14	31.15
13390	Reverse Words		116	30.62	1 1
13391	Binary		59	40.27	1 1
13392	Prime Or Not	1	166	21.67	9 17
13393	Dragons		49	43.68	1 1
13394	Big Dragons		28	45.97	1 1
13395	More Dragons		41	58.82	1 1
13396	Find Them All		29	41.99	1 1
13397	How Many Primes		135	37.91	1 1
13407	Einstein Ring		6	31.58
13421	RELATIVE PRIMES		35	76.92
13422	THE JUMPING BALL		54	56.74
13501	Guardian and The Deck of Cards	1	73	29.45	17 34
13625	CAPS ON		21	23.96
13650	Adel Challenge		49	42.62
13662	H Number		146	53.29
13669	I Robot		39	28.57
13674	Play with Matrices		35	28.81
13675	Tanks		207	50.91	1 1
13677	Azooz		239	55.68
13681	Matrix City		30	58.21
13690	Names		8	66.67
13709	Tutorial BFS		128	32.38	12 6
13757	Prime Factors	3	226	14.73	6 6
13771	Howard The Saviour	1	41	33.86
13812	CAMPANAS1		22	28.28
13839	CAMPANAS2		16	21.18
13841	CAMPANAS3		19	29.27
13874	ASCII Art	1	27	36.36
13879	TWO BISHOPS		126	28.94	1 1
13880	GO FOR DIAMONDS	1	88	41.20	17 1
13883	ZEROES IN RANGE	2	59	19.26	26 42
13949	Binary Input and Output	1	15	34.41
13951	DRAWING NUMBERS	-1	4	6.25	1 1