Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
14204	Greatest Common Divisor		17	58.62
15640	Butters and Magical Numbers 375 Points	1	17	58.62
20159	Math Assignment		16	58.62
22220	Julius Princes Test		13	58.62
4074	Compile Error		226	58.71	9 1
8493	Colorful Blocks		197	58.72
13204	Easy as Cake		279	58.77	1 1
18533	Vowel Density		9	58.82
20748	Remove Duplicates		86	58.86
23152	Alien Invasion	-1	29	58.93	17 17
22795	Consecutive Numbers		23	59.04
26804	Pyramids	1	55	59.05
19407	Fibonacci extraction Sum		35	59.11
14752	FIZZBUZZ (Easy)		110	59.14
14867	PAIRS	1	57	59.15	17 17
13681	Matrix City		33	59.15
26495	More pairs are better		26	59.17
10360	BF writing	1	21	59.32
8443	Problem 4		32	59.38
12111	FirstProblem		114	59.40
2627	The Longest Chain		86	59.40
22892	Position of all-distinct-digits number in base b		206	59.47
8754	Cout		48	59.78
8380	COUNT ATTENDANCE		18	60.00
9189	Edit Distance Variant 2		21	60.00
15666	Joey is Hungry 200 pts		22	60.00
25275	Welcome to CSAU		9	60.00
26218	Solution for a Travelling Salesperson Problem		11	60.00
34417	Sum of divisors	1	7	60.00
15428	Cartman Reverses Strings 200 pts		59	60.18	1 1
8790	Find summits		18	60.27
4906	Pythagorean Triples	1	1009	60.33	1 1
34139	Topological Sorting	-1	107	60.46	1 1
23469	Transitive closure of a digraph	1	136	60.50	9 9
6523	Digital Root Counter		82	60.51
8494	Lucky Numbers	2	289	60.58	17 17
21782	Problems 3: For Fun Sequence	-2	35	60.66	1 1
34098	Queues		85	60.67
20415	Just draw a square		33	60.71
3319	Speed Limit		463	61.03
8395	ZBROJ		398	61.28
17395	Computer Graphics		15	61.29
21558	Carl Friedrich Gauss		19	61.29
18166	Counting Bits	1	494	61.49	1 1
12648	The Last Exam		15	61.54
24950	Orden Secuencia		16	61.54
2459	Magic Program		86	61.63
20976	Sum	3	807	61.64	3 3
20676	Do or Die !!	1	46	61.70	1 1
10490	Integer palindrome		60	61.82

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