Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
12447	LOVER BOY	-1	67	43.81	1 1
12454	Permutation		52	47.86
12455	Order		22	66.25
12456	NUMBER SERIES		81	44.09
12457	HELP NERUBAN	1	469	28.98	1 1
12458	Unique strings		153	90.84	1 1
12460	Eat a Good Meal	-1	10	62.96	1 1
12465	Shared Letters		96	68.83
12466	Closest Points		82	56.90	17 1
12473	INVITATION FOR TECHOFES	1	114	32.69	17 9
12509	STRING PROBLEM		43	43.12
12510	JUMPING DORA		90	36.31
12511	CUBE ROOT	1	49	11.59	34 17
12523	Nuts Frenzy		94	16.33	1 17
12540	It is Super Effective	1	38	39.85	1 1
12564	Innovative Combination	2	115	54.49	9 9
12607	Missing one		27	91.53
12608	Switch	1	33	81.82
12648	The Last Exam		15	61.54
12650	Even and Odd	1	66	35.04
12753	Fan Switches	1	236	67.22	1 1
12793	The power of two		110	51.35
12801	Browsing History		51	40.88
12823	Print Big Binary Numbers		19	58.23
12910	Addicted Numbers		148	29.57
13082	BINARY CHALLENGE	3	287	32.24	17 26
13085	Game		160	68.70
13088	Free Palestine	-1	137	29.61
13089	Tetravex	1	140	52.69	17 17
13153	Fast Division		119	49.57
13154	Very Fast Division		20	38.89	17
13200	Sum It Up		220	26.06	1 1
13201	Multiple of 3		377	39.21	1 1
13202	Great Grading Scheme		164	26.14	1 1
13203	Sort them All		149	39.86	1 1
13204	Easy as Cake		279	58.77	1 1
13206	Multiples		152	45.60	1 1
13207	Digital Triangle	1	114	49.34	1 1
13208	In Love with Loops	1	64	39.77	1 1
13209	Divisors		145	45.69	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		60	32.79	1 1
13238	SAMPLE PROB	-1	6	11.24
13276	Who is Mafia	2	225	57.42	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

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