Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9111	Prime Time		143	35.33
9533	Kindergarten Counting Game	1	644	35.38
19966	BOB AND BANANAS	1	18	35.38	17
8999	Primo Va Primo Viene		15	35.42
22262	Run Length Encoding	1	54	35.42	1 9
11096	Triple Zeros		84	35.43
27193	Find ICPC		51	35.48
11331	Two Squares		67	35.52
21567	Add		11	35.56
7289	Reverse text		262	35.57
7856	Tower Game (Easy)		37	35.58
8226	PrePrimes	2	19	35.61	17 17
35668	Stringa maiuscola	-2	111	35.63	1 1
8792	N - DIGIT NUMBERS		267	35.64	1 1
14669	First Blood		51	35.67
25219	Greedy Gift Givers	-1	30	35.68
3370	Mergesort	2	2198	35.80	9 6
22805	Ant Hills		23	35.80
12410	No more Johnny		62	35.89
35641	Special Prime Number	1	25	36.00	17 17
4522	Adding Base36 BigNumbers	1	60	36.06
25120	Horrible Grid	-1	51	36.09
25145	Throwing Balls	1	24	36.11
1415	Problems Collection (Volume 2)	-1	204	36.14	50 50
16779	Sir and the Cooks		29	36.17
20152	Shokry and Strings		13	36.17
1428	Easy sudoku	6	913	36.22	22 13
12510	JUMPING DORA		90	36.31
10495	Count Primes		107	36.34
7858	Upper Right King (Easy)	1	82	36.42	1 9
440	The Turtle´s Shortest Path	7	1924	36.46	17 9
8441	Problem 2		22	36.51
20765	Friendship Bond	1	14	36.51
7675	Squares		79	36.55
15645	Kyle Types Text 425 Points		14	36.59
21442	Lowest Common Ancestor	33	2242	36.62	13 12
13949	Binary Input and Output	1	18	36.63
18036	Koko		76	36.64
12081	Picture Perfect	1	21	36.71
2626	RegExp Master	-1	88	36.72	34 17
4897	Meowist Networking	8	897	36.73	14 4
10488	Stock market		82	36.78
8218	Problem 4		84	36.81
1279	Run Length Decoding		88	36.81	1 1
4854	Primo Kripta		25	36.84
22089	CPCTriangle		19	36.84
22803	Number Of ways		12	36.84
26911	Factorial base 12	2	66	36.86	9 17
491	The Cursed Room		159	36.87
6192	H Function		96	36.88