Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
21746	Rooks and pawns		80	18.02
35791	KJ and street lights		21	18.06
9654	Prime Count		62	18.18
18509	Dividing Money		10	18.18
21408	2x2 Subgrid Sum Problem (hard)		4	18.18
25703	MAYOIU		24	18.18
37643	Attack System		8	18.31
3250	The Seven Percent Solution		200	18.32
19271	GRAVITY	2	88	18.34	17 17
2261	Program Analyser (tutorial)		16	18.40
8264	Find The Pattern		15	18.56
25163	The n Days of Christmas		24	18.56	1 1
8149	Intersection	1	127	18.66	17 17
11989	Factorial large		20	18.67
11062	Binary search	17	4491	18.78	7 5
24249	Binary Again	1	64	18.81	5 1
13211	Progression	1	73	18.92	1 6
21741	Pipage		83	18.93
1729	Guess the Number	3	988	18.98	1 1
27224	String To Binary	1	63	18.99	1 1
11100	Fun with Fibonacci Series	5	302	19.03	21 27
18040	Tau In World Final		4	19.05
22308	Short form of New Year		75	19.07	1 1
21745	Mushrooms	4	130	19.17	17 17
13883	ZEROES IN RANGE	2	59	19.26	26 42
11999	Catalan Powered	1	18	19.29	1 17
8224	Perfect Composites		40	19.47
12168	APGP Tutorial		23	19.57
11109	Race Results		32	19.66
9573	Spot the largest string		14	19.75
21392	Prana and The Series	1	45	19.77	17 34
9598	Get me correct	-1	70	19.81	1 1
11341	TWIN PRIMES		152	19.83
11053	Array Minimum		15	20.00
14218	Grid Search		1	20.00
17387	A True Patriot		16	20.00	17 1
18034	Arab Cleaning Masters		12	20.00
22787	Simple Polygon		2	20.00
25227	2RETO 10 MARATON	-1	11	20.00
25233	3RETO 11 MARATÓN	-1	10	20.00
31934	Last Digit of Power	5	77	20.00	6 3
33305	Single Source Shortest Path		197	20.08	17 1
11323	2D-SORT	1	899	20.14	6 1
509	6-Kolorowanie Grafów Planarnych		81	20.20
7272	Take Away Game	1	118	20.22	17 34
34403	Somma i numeri dispari	-1	43	20.25	1 1
25756	Divisors		34	20.31
9362	Knight Moves		16	20.35
15986	Encrypt the String		35	20.42
18716	Equation		25	20.42

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