Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
13203	Sort them All		149	39.86	1 1
13204	Easy as Cake		277	58.58	1 1
13206	Multiples		151	45.48	1 1
13207	Digital Triangle	1	114	49.34	1 1
13208	In Love with Loops	1	64	39.77	1 1
13209	Divisors		143	45.61	1 1
13210	Fun Triangle		117	32.55	1 1
13212	Seconds Apart	1	55	37.14	1 1
13213	Rectangle Intersection	1	61	17.87	1 1
13215	Kings on an Infinite Chessboard		68	34.97	1 1
13216	Progression		59	32.63	1 1
13238	SAMPLE PROB	-1	6	11.24
13276	Who is Mafia	2	221	57.68	21 21
13356	Count Zero	1	70	89.83	9 17
13383	Next odd extreme golf	-1	22	52.00	50 1
13385	Balanced Bracket Expression		23	20.42
13386	Rotations		15	28.57
13390	Reverse Words		121	31.12	1 1
13391	Binary		62	39.61	1 1
13392	Prime Or Not	1	176	22.06	9 17
13393	Dragons		50	43.27	1 1
13394	Big Dragons		31	47.24	1 1
13395	More Dragons		45	56.16	1 1
13396	Find Them All		32	42.50	1 1
13397	How Many Primes		140	37.86	1 1
13407	Einstein Ring		7	35.00
13421	RELATIVE PRIMES		37	75.81
13422	THE JUMPING BALL		58	57.93
13501	Guardian and The Deck of Cards	1	76	29.67	17 34
13625	CAPS ON		27	23.44
13650	Adel Challenge		54	44.62
13662	H Number		151	53.51
13669	I Robot		40	28.85
13674	Play with Matrices		38	29.57
13675	Tanks		212	51.46	1 1
13677	Azooz		243	55.60
13681	Matrix City		33	60.00
13690	Names		13	71.43
13709	Tutorial BFS		134	33.06	12 6
13757	Prime Factors	3	268	15.30	6 6
13771	Howard The Saviour	1	45	37.23
13812	CAMPANAS1		25	25.66
13839	CAMPANAS2		20	18.49
13841	CAMPANAS3		23	27.84
13874	ASCII Art	1	27	30.77
13879	TWO BISHOPS		129	29.58	1 1
13880	GO FOR DIAMONDS	2	90	40.36	17 1
13883	ZEROES IN RANGE	2	60	19.49	26 42
13949	Binary Input and Output	1	18	36.63
13951	DRAWING NUMBERS	-1	6	8.22	1 1