Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
25573	Fold the cube	1	5	22.73	17 17
8216	Problem 3		109	22.61
13385	Balanced Bracket Expression		21	22.61
14818	Team Queue		26	22.60
15223	BUBT Programming Club		10	22.58
14816	Easy Wavy Routes		26	22.48
11464	Book Shelves(tutorial)		18	22.43
19230	Mr Toothless and His Task	1	28	22.33	17 17
2134	Colorful Cubes		2	22.22
21298	Divisibility Check		14	22.22	17 1
8219	Problem 5		203	22.16	17 17
34541	Tanushera And His Car		66	22.02	1 1
9128	Graph basics concepts II		8	22.00
2533	Point Nesting		34	21.97
25720	Múltiplos del último	-1	11	21.84
2494	Magic Program III		12	21.82
25274	Photos in a Frame		24	21.80
26682	Binary Search Tree	5	543	21.74	17 8
13392	Prime Or Not	1	166	21.67	9 17
22131	KINGDOM		5	21.62
21410	A Gift for You 2		35	21.58
11342	Here be ducks		267	21.56
4474	Longest Palindromic Substring	23	1221	21.49	22 20
27192	Dividing Apples	-3	67	21.35	1 1
9501	Best balanced diet		8	21.28
12075	Encryption		7	21.21
5874	Square	-1	45	21.19	1 1
13839	CAMPANAS2		16	21.18
19956	Connecting Networks		10	21.15
74	Divisor Summation	92	15792	21.15	8 10
23692	Temperature		44	21.13	1 1
12165	Encrypted String		12	21.13
30847	Traversing Tree		110	20.93
25021	CAPTCHA		48	20.82
26556	Pair Divisible	1	27	20.81	34 34
13934	Palindrome Pair		12	20.73
14114	Mysterious Number		48	20.73	17 17
18032	Rubike’s Cube		4	20.69
15211	The Iteration	-1	13	20.63
25142	Sum of Two Squares		13	20.55
5871	Grid		75	20.45	1 1
18716	Equation		25	20.42
15986	Encrypt the String		35	20.42
9362	Knight Moves		16	20.35
25756	Divisors		34	20.31
34403	Somma i numeri dispari	-1	43	20.25	1 1
7272	Take Away Game	1	118	20.22	17 34
509	6-Kolorowanie Grafów Planarnych		81	20.20
11323	2D-SORT	1	899	20.14	6 1
33305	Single Source Shortest Path		197	20.08	17 1

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