Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
6655	Lexicographic Order 3		3	9.68
7267	Basics		3	57.14
7869	Boards (Easy)		3	15.38
8582	Data transfer		3	4.88
10359	How many words(SHELL)		3	50.00	1 1
11349	Tertiary Calculator		3	55.56
11788	Ishika and Kashish		3	45.45
14523	Geeky Retards		3	31.25
22123	Destroy Enemy Camp		3	13.04
22179	Size Contest Returns !!		3	35.00
22448	Insert and Range Search		3	50.00
22788	Research Problems	2	3	10.71
23879	Inversion Play		3	25.00
37851	Mã Caesar	-1	3	87.50
4193	Quick answer		4	16.00
6656	Lexicographic Order 4		4	62.50
13837	Repeated Numbers		4	50.00
13951	DRAWING NUMBERS	-1	4	6.25	1 1
14872	HAIRY FLU		4	17.86
15760	Geeky World		4	54.55
16665	The new species		4	12.50
17401	Interview Time		4	30.77
18032	Rubike’s Cube		4	20.69
18040	Tau In World Final		4	19.05
19402	SleepWalker		4	88.89
20044	Not so fast		4	26.83
21408	2x2 Subgrid Sum Problem (hard)		4	18.18
21566	Dictionary		4	12.90
22706	Julius score card		4	85.71
23133	World Cup 2015		4	1.17	17 17
25209	CONVERSIONS		4	15.15
25509	RETO DOC 7		4	100.00
25587	Word to number		4	60.00
27306	Detecting End Of File - Tutorial		4	9.76
34372	Massimo Comune Divisore		4	50.00	1 1
6703	SBE201 Palindromes		5	35.71
8146	Integer Concatenation		5	50.00
12077	Secret Code		5	14.29
13238	SAMPLE PROB		5	9.38
15977	Sums Decompositions		5	31.58
18035	Aya the new contestant	-2	5	28.57	17 34
18644	Reverse Precedence		5	88.89
19415	Numeral Abbreviation Notation	1	5	28.00
22131	KINGDOM		5	21.62
22306	Street Lighting		5	83.33
22430	JOGURT		5	31.58
22796	Food Selection		5	83.33
25187	Word Ladder		5	15.56
25228	6RETO 10 MARATON		5	71.43
25239	RETO 1 MARATÓN 11 (Calentamiento)		5	60.00