Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
29449	Xavier’s Fight		18	35.59
29453	ASCII Text Art		18	63.16
644	Byteland Money Exchange		19	30.95
8441	Problem 2		19	51.28
11365	TSquare TO Square		19	35.71
13115	Julius Caesar Cipher		19	29.87
13841	CAMPANAS3		19	29.27
14040	Winter Shopping		19	89.36
14775	Sum of Powers		19	31.97
15513	Joey is Confused 300 points		19	33.33
15669	Ross got a puzzle 400 pts		19	43.86
16508	Divisors		19	42.11
16786	Sir and Chess1	1	19	84.62	1 1
17831	Test Binary to Hexadecimal Converting		19	74.19	1 1
18398	Math assignment		19	43.18
20763	Journey of nikki	1	19	41.38
21558	Carl Friedrich Gauss		19	58.33
21675	VEGETABLE SHOPKEEPER 1		19	63.64
22805	Ant Hills		19	33.33
23146	Sort The Sorted		19	86.36	1 1
25125	Caesar cipher	-1	19	37.62	1 1
25192	Profits		19	44.14
25234	4RETO 11 MARATÓN	-1	19	43.48	1 1
35722	Query on an array II	1	19	70.27	1 1
36961	Vùng bao lớn nhất		19	16.11
36981	Đào vàng remix		19	27.37
1239	Recurrence Equation Finder		20	68.42
2122	Billboard		20	31.17
5195	Angry Knights		20	30.43
8377	PRAYER QUEUE		20	60.98
9189	Edit Distance Variant 2		20	64.10
9594	Count the strings		20	41.94	1 1
11989	Factorial large		20	18.67
14720	Check Of Potential		20	61.54
15395	Butters Counting Problem		20	37.70
15440	XÓA SỐ		20	49.32
16065	Pascal Triangle		20	93.33
16481	Split the number		20	38.39	34 17
17823	Test Xor	-2	20	47.17
20847	Students Database		20	48.15
22080	BOB AND HIS LUCKY NUMBER	2	20	77.78	1 17
22222	Julius Divisibility		20	42.59
25216	RETO SALARIOS		20	66.67
25757	Ecstatic Super Mario		20	53.66
25758	Find the Winner		20	42.25
33792	String	1	20	7.34
35641	Special Prime Number	1	20	32.79	17 17
1474	Charge		21	39.06
8901	BRAINF__K DESIGN	1	21	55.81
10360	BF writing	1	21	59.32