Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
10601	Spiral numbers	1	83	51.90	9 9
11507	SPIRAL RUN	2	363	53.59	1 12
16481	Split the number		20	38.39	34 17
9573	Spot the largest string		14	19.75
14036	Spring Iceblocks	1	16	98.00
5874	Square	-1	45	21.19	1 1
21556	Square		99	32.73
8648	Square number game		14	37.04
7675	Squares		74	35.39
22458	SREDNJI		17	40.82
25186	Stained Carpet		8	31.25
18504	Stan Swaps Glasses		29	60.29
15583	Stan wants to know the Time 200 pts		17	77.42
23699	Standing Ovation	1	38	26.15	1
10488	Stock market		77	36.55
22340	STOL		13	36.11
22306	Street Lighting		5	83.33
33792	String	1	20	7.34
8647	String Game		35	52.50
9114	String Game	1	63	56.20
21647	String Jutsu		12	60.00
12509	STRING PROBLEM		40	44.55
27224	String To Binary	1	63	18.99	1 1
20166	String! String! String!	1	23	34.12
35668	Stringa maiuscola	-2	106	35.12	1 1
15298	Strong Number	1	143	34.00	1 1
34338	Strongly Connected Components		74	83.44
18705	Student Chains	2	388	36.61	1 34
9333	Student Proxy	2	190	26.67	17 1
20847	Students Database		20	48.15
31182	Sub array Sum1	-1	91	34.39	1 17
31183	Sub array Sum2	3	41	16.12	34 17
19783	SUBCUBE EDGE LCM		1	25.00
12276	Subset and upset	1	63	54.33	1 34
27043	Subset Pattern		33	11.98	1 1
14221	Subwords	1	9	24.56
6334	Success	-3	855	43.93	12 13
20976	Sum	3	802	61.53	3 3
36341	Sum Input-Output Practice		112	8.86
13200	Sum It Up		214	25.77	1 1
21182	Sum of Digits		26	65.00
34417	Sum of divisors	1	5	60.00
35773	Sum of Divisors	2	55	22.81	1 1
10492	Sum of factorial		66	51.93
1392	Sum of Factors	2	337	13.28	1 1
25590	Sum of fractions	1	10	57.89
14775	Sum of Powers		19	31.97
12348	Sum of Subsets	3	298	35.04	12 6
10724	Sum of Tetranacci numbers (easy)		243	63.90	17 1
26586	Sum of the smallest K elements of an array	-1	216	26.66	1 1

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