Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
12348	Sum of Subsets	3	300	35.09	12 6
12650	Even and Odd	1	66	35.04
4832	Pitagoras y Fermat		28	35.00
28467	Búsqueda Binaria 2	1	357	34.99
8749	Waiting for Easter		89	34.99
13215	Kings on an Infinite Chessboard		68	34.97	1 1
1756	Find The Determinant		175	34.93
3318	Pascals Travels		45	34.90
8152	Smart Bunny	1	73	34.87	17 17
1282	How many Islands	4	587	34.84	6 12
23879	Inversion Play		8	34.78
22753	Quickly sort a list of integers		246	34.69
34580	Somma i numeri	-1	96	34.67	1 1
3700	Easy Dijkstra Problem	59	6196	34.60	8 5
15444	Raise the Power 300 pts	-1	65	34.57	1 17
2625	Problems Collection (Volume 3)	3	119	34.56	42 34
691	Hotel Floors	3	646	34.56	9 9
3917	Tree Query		19	34.43
12166	Reverse And Add		60	34.39
3320	Longest Monotonically Nondecreasing Sequence	3	186	34.35	9 23
15298	Strong Number	1	146	34.29	1 1
25185	Gold Leaf		7	34.29
360	Bottom Coder (Easy)	11	3784	34.28	4 9
3131	Time to Graduate		11	34.21
15635	Easter festival date		41	34.19
26265	Sort an array of student records by names		11	34.09
5387	Interesting determinant		51	34.03
19789	Jon and Cow	1	42	34.01
11976	Permutation		26	33.90
7672	Salsa Dance		173	33.85
6666	How Many Trees 1		19	33.85
11264	FUN WITH NUMBERS	1	115	33.82	26 17
1397	Put Them on a Circle	1	121	33.81	1 17
21722	Problems 1: Calculate A and B	-2	47	33.77	1 1
25113	Matriz Diagonal		45	33.76
1118	Snowman		559	33.73
14506	Bitogoras Number	1	45	33.71	17 17
9514	Parsing URL	1	26	33.68
18041	Salama’s Birthday		28	33.66
4762	Desde Hasta	1	202	33.60	17 17
11265	FIGUREFUL	1	1359	33.59	3 3
13709	Tutorial BFS		139	33.59	12 6
22330	Kill the enemy heroes	2	28	33.56	1 1
14775	Sum of Powers		22	33.55
2630	Autoarchive		8	33.33
9815	Measuring the odds		10	33.33
11643	Cross dangerous minefields		14	33.33
14558	Tic-tac-toe		8	33.33
15268	Big Fact		14	33.33
20166	String! String! String!	1	26	33.33

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