Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
10488	Stock market		82	36.78
4897	Meowist Networking	8	897	36.73	14 4
2626	RegExp Master	-1	88	36.72	34 17
12081	Picture Perfect	1	21	36.71
18036	Koko		76	36.64
13949	Binary Input and Output	1	18	36.63
21442	Lowest Common Ancestor	33	2243	36.61	13 12
15645	Kyle Types Text 425 Points		14	36.59
7675	Squares		79	36.55
8441	Problem 2		22	36.51
20765	Friendship Bond	1	14	36.51
440	The Turtle´s Shortest Path	7	1924	36.46	17 9
7858	Upper Right King (Easy)	1	82	36.42	1 9
10495	Count Primes		107	36.34
12510	JUMPING DORA		90	36.31
1428	Easy sudoku	6	913	36.22	22 13
16779	Sir and the Cooks		29	36.17
20152	Shokry and Strings		13	36.17
1415	Problems Collection (Volume 2)	-1	204	36.14	50 50
25145	Throwing Balls	1	24	36.11
25120	Horrible Grid	-1	51	36.09
4522	Adding Base36 BigNumbers	1	60	36.06
35641	Special Prime Number	1	25	36.00	17 17
12410	No more Johnny		62	35.89
3370	Mergesort	2	2205	35.83	9 6
22805	Ant Hills		23	35.80
25219	Greedy Gift Givers	-1	30	35.68
14669	First Blood		51	35.67
8792	N - DIGIT NUMBERS		267	35.64	1 1
35668	Stringa maiuscola	-2	111	35.63	1 1
8226	PrePrimes	2	19	35.61	17 17
7856	Tower Game (Easy)		37	35.58
7289	Reverse text		262	35.57
21567	Add		11	35.56
11331	Two Squares		67	35.52
27193	Find ICPC		51	35.48
11096	Triple Zeros		84	35.43
8999	Primo Va Primo Viene		15	35.42
22262	Run Length Encoding	1	54	35.42	1 9
19966	BOB AND BANANAS	1	18	35.38	17
9533	Kindergarten Counting Game	1	644	35.38
9111	Prime Time		143	35.33
12071	Point Blank		39	35.29
11600	Another Mathematical Problem		101	35.23
3422	Calculate the Area	2	383	35.23	6 12
11266	Pick the candies	4	537	35.22	17 17
12275	Meeting and Dating		153	35.19
4073	The 3n plus 1 problem	3	4135	35.14	20 14
29449	Xavier’s Fight		23	35.14
36981	Đào vàng remix		26	35.14

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