Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
21182	Sum of Digits		32	67.69
13200	Sum It Up		220	26.06	1 1
36341	Sum Input-Output Practice		119	9.38
20976	Sum	3	807	61.64	3 3
6334	Success	-3	856	43.97	12 13
14221	Subwords	1	12	27.54
27043	Subset Pattern		32	10.71	1 1
12276	Subset and upset	1	69	54.20	1 34
19783	SUBCUBE EDGE LCM		1	14.29
31183	Sub array Sum2	3	43	15.83	34 17
31182	Sub array Sum1	-1	95	32.67	1 17
20847	Students Database		24	52.54
9333	Student Proxy	2	195	26.69	17 1
18705	Student Chains	2	615	27.17	1 34
34338	Strongly Connected Components		74	83.44
15298	Strong Number	1	146	34.29	1 1
35668	Stringa maiuscola	-2	111	35.63	1 1
20166	String! String! String!	1	26	33.33
27224	String To Binary	1	69	20.55	1 1
12509	STRING PROBLEM		43	43.12
21647	String Jutsu		17	64.52
8647	String Game		41	56.63
9114	String Game	1	68	57.94
33792	String	1	22	7.67
22306	Street Lighting		10	91.67
22340	STOL		17	22.50
10488	Stock market		82	36.78
23699	Standing Ovation	1	42	27.60	1
15583	Stan wants to know the Time 200 pts		21	78.79
18504	Stan Swaps Glasses		34	63.77
25186	Stained Carpet		12	27.78
22458	SREDNJI		23	46.55
7675	Squares		79	36.55
8648	Square number game		14	31.37
5874	Square	-1	52	23.98	1 1
21556	Square		101	33.07
14036	Spring Iceblocks	1	19	98.15
9573	Spot the largest string		19	22.89
16481	Split the number		20	31.39	34 17
11507	SPIRAL RUN	2	378	52.32	1 12
10601	Spiral numbers	1	88	50.00	9 9
12271	Speed test - Pyramid version		32	81.69
12272	Speed test - Cube version		34	71.05
3319	Speed Limit		463	61.03
9465	Spectrum of colours	-1	56	65.81	50 50
26970	Special Square	2	28	55.74	17
35641	Special Prime Number	1	25	36.00	17 17
1238	Special Nim Game		396	55.37	11 11
18505	Special Blessing to Players		12	52.94
5012	Spanish Conjugation	1	79	37.93	17 1

list of tutorial problems (unsolved)

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