Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
21681	Find Unchanged Position		16	92.00
21675	VEGETABLE SHOPKEEPER 1		19	63.64
21648	LCM Sum(Hard)		27	22.73	17 34
21647	String Jutsu		12	60.00
21646	War Message	1	13	38.46	1 1
21598	BASE FIGHT	1	24	32.50	1 1
21591	Cumulative Sum Query	20	6609	47.32	5 5
21583	Print ♥		6	44.44
21571	Prime Land and Next Prime number	1	13	17.93	17
21570	Triangle Under a Circle		15	65.22
21569	Find out Defect Ball		10	43.24
21568	Shopkeeper Order		15	82.61
21567	Add		8	36.00
21566	Dictionary		4	12.90
21565	Count the miscall		8	47.37
21564	Mission Ananta Jalil		6	100.00	17 17
21563	Annie’s 18th Birthday		13	36.00
21561	Amazing Subset		95	33.23
21560	Dr. Sheldon cooper and Pseudo code		6	31.25
21559	Khoj The Search		11	51.43
21558	Carl Friedrich Gauss		19	58.33
21556	Square		99	32.73
21523	A multiplied B equal to N		1	8.82
21459	General Joke	1	122	47.16	1 1
21442	Lowest Common Ancestor	30	1880	36.50	13 12
21410	A Gift for You 2		35	21.58
21408	2x2 Subgrid Sum Problem (hard)		4	18.18
21392	Prana and The Series	1	45	19.77	17 34
21307	Arithmetic Expressions		15	43.55	17 1
21298	Divisibility Check		14	22.22	17 1
21182	Sum of Digits		26	65.00
21168	At random		306	38.80
21099	Palindrome Query	2	27	48.18	9 26
21098	HardDisk Drive		21	56.76
21097	XYZ-Strings		12	23.61
21088	Its a Bit Game	2	27	29.46	17 17
21056	Vowel again		15	73.91
21048	Universal Radius	1	97	50.49	1 17
20976	Sum	3	802	61.53	3 3
20974	The Patriotic Indian	1	33	31.85	1 1
20866	National Day Vietnam 2 9 2014		8	73.68
20854	The world and Contients		96	57.14
20853	Rotations		103	48.76
20847	Students Database		20	48.15
20771	Simplest Pattern Search with Spaces		38	45.28
20767	Simplest Pattern Search	-1	81	39.15	1 1
20766	nikkiNXN		11	65.22
20765	Friendship Bond	1	13	32.26
20763	Journey of nikki	1	19	41.38
20762	Recursive Functions		22	63.16

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