Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8266	Compare The Strings		98	52.67
16209	DCE Networks		28	52.63
24950	Orden Secuencia		10	52.63
27309	Help MS Dhoni	2	61	52.63	12 17
7893	Weekdays		23	52.54
8647	String Game		35	52.50
7674	Easy Game		45	52.46
15782	Coder Express 2!!	1	28	52.38
17244	Anubis wants to know how many		29	52.38	1 1
14672	Freedom!		121	52.31
8227	Fibonacci Terms		42	52.17
1393	Ping Pong Probability	2	239	52.04	1 17
5302	Surprising Strings		24	52.00	17 1
10492	Sum of factorial		66	51.93
10601	Spiral numbers	1	83	51.90	9 9
15301	Number Game	1	33	51.90	17 17
15812	Simple Pattern !!		143	51.90
14740	Easy!!!		46	51.89
19598	Seperate the number		23	51.85
11111	Easy Longest Common Subsequence	4	1120	51.79	4 6
1682	Deli Deli	1	389	51.75	17 17
14868	SERVERS	1	311	51.73	1 17
11996	Medal Tally	1	24	51.72
27220	FOODIE	13	407	51.67	5 5
37631	Wifi Password		13	51.61
8223	Binary Strings		27	51.56
10834	Travelled Distance		15	51.52
28178	Real Give Away	1	33	51.47	1 1
12083	Appetizer		122	51.45
7262	Nth greater value		101	51.43
21559	Khoj The Search		11	51.43
11398	Do You know your Algorithms		436	51.39
3695	n-th Power	1	160	51.35	17 17
8441	Problem 2		19	51.28
20154	Druid and Queries		17	51.16
3440	Enormous Input and Output Test	6	1432	51.13	5 9
2156	Jamcode 2006 (Hard)		22	51.11
3032	Adding two numbers	4	6582	51.05	3 1
13401	Sherlock		18	51.02
12793	The power of two		105	51.00
18299	Problem6		23	50.98
13675	Tanks		207	50.91	1 1
35005	Classic Sequence Sum	4	43	50.91	27 14
6521	SuperPower		33	50.83
8544	Lexicographical ordering	2	117	50.76	1 1
11722	HELP ABHISHEK		43	50.69
34099	IITKESO207PA1Q3		81	50.62
11382	Quadra vs PussyCat		57	50.53
21048	Universal Radius	1	97	50.49	1 17
24963	Secuencia ordenada e impares	-1	31	50.37