Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
21182	Sum of Digits		26	65.00
13200	Sum It Up		214	25.77	1 1
36341	Sum Input-Output Practice		112	8.86
20976	Sum	3	802	61.53	3 3
6334	Success	-3	855	43.93	12 13
14221	Subwords	1	9	24.56
27043	Subset Pattern		33	11.98	1 1
12276	Subset and upset	1	63	54.33	1 34
19783	SUBCUBE EDGE LCM		1	25.00
31183	Sub array Sum2	3	41	16.12	34 17
31182	Sub array Sum1	-1	91	34.39	1 17
20847	Students Database		20	48.15
9333	Student Proxy	2	190	26.67	17 1
18705	Student Chains	2	388	36.61	1 34
34338	Strongly Connected Components		74	83.44
15298	Strong Number	1	143	34.00	1 1
35668	Stringa maiuscola	-2	106	35.12	1 1
20166	String! String! String!	1	23	34.12
27224	String To Binary	1	63	18.99	1 1
12509	STRING PROBLEM		40	44.55
21647	String Jutsu		12	60.00
8647	String Game		35	52.50
9114	String Game	1	63	56.20
33792	String	1	20	7.34
22306	Street Lighting		5	83.33
22340	STOL		13	36.11
10488	Stock market		77	36.55
23699	Standing Ovation	1	38	26.15	1
15583	Stan wants to know the Time 200 pts		17	77.42
18504	Stan Swaps Glasses		29	60.29
25186	Stained Carpet		8	31.25
22458	SREDNJI		17	40.82
7675	Squares		74	35.39
8648	Square number game		14	37.04
5874	Square	-1	45	21.19	1 1
21556	Square		99	32.73
14036	Spring Iceblocks	1	16	98.00
9573	Spot the largest string		14	19.75
16481	Split the number		20	38.39	34 17
11507	SPIRAL RUN	2	363	53.59	1 12
10601	Spiral numbers	1	83	51.90	9 9
12271	Speed test - Pyramid version		28	82.81
12272	Speed test - Cube version		29	71.23
3319	Speed Limit		454	61.16
9465	Spectrum of colours	-1	53	69.82	50 50
26970	Special Square	2	25	50.00	17
35641	Special Prime Number	1	20	32.79	17 17
1238	Special Nim Game		306	61.25	11 11
18505	Special Blessing to Players		8	50.00
5012	Spanish Conjugation	1	74	36.56	17 1

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