Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
21583	Print ♥		6	44.44
21810	Problems 5: String	-1	28	44.44	1 1
22446	Insert and Search		9	44.44
26776	Equation Equals Hazards	1	7	44.44	1 17
32470	Make Versions in Segment Tree	16	369	44.23	14 14
5966	Generalized Chess		42	44.14
25192	Profits		19	44.14
33836	Floor Arithmetics	1	8	44.12	17 17
14749	Omar’s Training I		27	44.05
6334	Success	-3	855	43.93	12 13
15669	Ross got a puzzle 400 pts		19	43.86
15299	Digit Dilemma		85	43.78
4304	Pawn		13	43.75
12456	NUMBER SERIES		77	43.75
13393	Dragons		49	43.68	1 1
11032	Maximum element of an array	1	302	43.61
17641	Lights Out		9	43.59
15585	Butters solves Recurrences 450 pts		22	43.55
21307	Arithmetic Expressions		15	43.55	17 1
8142	Recursive function	1	75	43.50
25234	4RETO 11 MARATÓN	-1	19	43.48	1 1
29747	Lucky 7, Unlucky 13	3	78	43.43	6 6
2632	Max Power		97	43.41
16028	Dots	-1	106	43.40	1 1
14667	The Invasion	-1	23	43.37
25978	Sum to Zero		24	43.37
11876	Finding Majority		288	43.31	1 1
11567	Find the missing card		49	43.31
18929	The Water Taps	1	159	43.30
21569	Find out Defect Ball		10	43.24
15978	Sieve of Eratosthenes	3	262	43.23	1 9
24911	Solo vocales en mayúsculas		56	43.23	1 1
18398	Math assignment		19	43.18
16037	Super Over	1	354	43.02	17 17
8226	PrePrimes	1	13	42.86	17 17
37313	Chuỗi đối xứng 2		10	42.86
5371	Rational Number		144	42.80
12184	Help the statistics department	2	38	42.75	9 17
453	Sums in a Triangle (tutorial)	7	1704	42.73	13 11
13650	Adel Challenge		49	42.62
2523	Mispelling	3	7804	42.59	1 1
22222	Julius Divisibility		20	42.59
25306	Easy Marks	4	434	42.58	1 1
11807	Think Different	1	121	42.54	1 1
10238	Arabic and English	1	717	42.48
20162	Fahmy and Fractions		12	42.42
26293	helloworld2	-1	15	42.37
37630	Caesar Cipher		11	42.31
18295	Problem2		67	42.29	1 6
25758	Find the Winner		20	42.25

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