Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
16481	Split the number		20	38.39	34 17
9106	REARRANGE		123	38.38
21806	Problems 4: Array	-1	27	38.37	1 1
22409	Search for an integer in a list of integers		240	38.28
26496	Recursive World!!!		100	38.27	15 26
26621	Atul and Aastha Chronicles 1	9	476	38.21	6 5
7865	Regular expressions (Easy)		12	38.18
10208	Overestimate		132	38.18
29748	Robin Hood		30	38.14	1 1
11095	Symmetric or not		130	38.13
26266	Sort an array of student records by reg numbers		7	38.10
37314	Chuỗi đối xứng 3		6	38.10
9108	SHAKE		112	38.03	1 1
12447	LOVER BOY	-1	62	38.03	1 1
14157	Cut Stick	5	400	38.02	9 13
8468	AVERAGE	1	1261	38.01	6 6
16784	Sachin Loves Boundaries		37	37.93
22059	Jumping Cat	1	8	37.93
13397	How Many Primes		135	37.91	1 1
15302	Color The Big Wall		11	37.84
34398	Congruent primes	1	6	37.84	17 17
10209	Theory of Computation		25	37.76
16694	Goodness of Numbers	1	33	37.76
15395	Butters Counting Problem		20	37.70
25125	Caesar cipher	-1	19	37.62	1 1
12410	No more Johnny		61	37.56
14721	Knives Are Better	1	16	37.50	34 34
15303	Triangle	-1	39	37.50	1 1
1279	Run Length Decoding		85	37.42	1 1
24318	Número Alternantes		22	37.31
20340	Connectivity	2	305	37.21	12 12
4768	Cool Numbers		203	37.21
11239	Number Theory (Easy)	2	92	37.04	17 26
8648	Square number game		14	37.04
26911	Factorial base 12	2	64	37.04	9 17
6192	H Function		95	36.90
34195	Memory Game 3		78	36.88
491	The Cursed Room		156	36.87
2912	Super Primes	1	276	36.81
9716	Binary Palindromes Set		28	36.73
2626	RegExp Master	-1	88	36.73	34 17
13212	Seconds Apart	1	53	36.72	1 1
1415	Problems Collection (Volume 2)	-1	165	36.70	50 50
4897	Meowist Networking	8	894	36.68	14 4
18705	Student Chains	2	388	36.61	1 34
14116	Funky Strings	1	14	36.59
5012	Spanish Conjugation	1	74	36.56	17 1
10488	Stock market		77	36.55
22244	Hello person1, person2 and personN		18	36.54
21442	Lowest Common Ancestor	30	1879	36.51	13 12

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