Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
22444	Chemical X		37	89.83
24659	KNIGHT MOVES		37	61.97
24893	Mayores que el primero y multiplos de 5		37	62.53	1 1
24963	Secuencia ordenada e impares	-1	37	53.15
26142	Vampire and his Holy Numbers	1	37	40.00	17 17
26556	Pair Divisible	2	37	23.50	34 34
29748	Robin Hood		37	45.45	1 1
35719	Query on an array I	-1	37	25.82	9 9
8543	The Quine		36	30.27
10681	MAG		36	64.18
11109	Race Results		36	21.43
11356	TWIN PRIMES	1	36	39.52
14025	Required - BYU Box	-1	36	84.44
15301	Number Game	1	36	52.38	17 17
15815	Exercise		36	32.77
18938	The angry professor		36	24.26
20974	The Patriotic Indian	1	36	32.37	1 1
23229	Alice Game		36	24.87
25756	Divisors		36	20.63
2533	Point Nesting		35	16.93
6521	SuperPower		35	50.00
9980	Door Enclosure		35	78.18
19407	Fibonacci extraction Sum		35	59.11
21410	A Gift for You 2		35	20.22
21782	Problems 3: For Fun Sequence	-2	35	60.66	1 1
25226	5RETO 10 MARATON		35	77.59	1
3252	Persistent Bits	1	34	58.33	17 17
11203	Auris Love		34	19.69
12272	Speed test - Cube version		34	71.05
14442	Three Circle Problem (MEDIUM)		34	31.49
18504	Stan Swaps Glasses		34	63.77
20164	Vowels		34	65.62
23428	Decrypt the Message	1	34	48.81	1 1
25754	Best Two		34	10.24	1 1
32073	The Permutation Game	4	34	54.64	17 23
12167	Fibonacci starters		33	40.91
12608	Switch	1	33	81.82
13396	Find Them All		33	42.74	1 1
13681	Matrix City		33	59.15
15979	Encrypt the String		33	92.98
16118	DEEPIKA AND HER BANK ACCOUNT		33	43.21
17244	Anubis wants to know how many		33	55.88	1 1
17246	Come on, it is just a power of two!		33	29.13
20415	Just draw a square		33	60.71
21099	Palindrome Query	2	33	47.76	9 26
21810	Problems 5: String	-1	33	47.83	1 1
23545	THINK DIFFERENT		33	47.42
25217	NOTA INFORMATICA		33	55.00
34400	A recurrence relation	1	33	64.62	17 17
37644	Password Cracking		33	31.40

list of tutorial problems (unsolved)

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