Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
4461	A Famous Airport Manager		23	16.36
6860	Asistent		23	14.29
7762	Electric Needs	1	23	41.30	34 17
7862	Prisoner of Benda		23	34.25
8335	Counting the teams	1	23	45.61	34 50
8428	Grid Tiling		23	22.93
8849	Imitation		23	36.25
9504	Paint on a Wall	1	23	40.59	34 26
9511	24-Puzzle		23	21.85
9519	Distinct Submatrices	1	23	20.74	50 50
9535	Turn on the lights 2	2	23	37.08	26 26
9638	Circuits		23	8.41	50 34
10084	Fake Scoreboard		23	45.21
10557	MINI IN DANGER!!!	2	23	44.80	17 9
11054	Discords Dilemma		23	27.52
11355	SQUARE TO SQUARE		23	18.43
11906	Rescue On Time	-1	23	34.52	34 17
12009	Fibonacci recursive sequences (hard)	2	23	9.67	34 34
13622	Dead Pixels		23	25.52
14925	King Graffs Trip	2	23	20.00	34 34
15435	Schedules		23	13.33
15996	Number Magic II		23	28.35	26 17
18964	Sum of subsequences		23	24.58
19334	Khaolin Temple	2	23	29.69	26 26
21058	Dirty Plates		23	44.44
21352	Avantgarde and Bicycle		23	37.84
23821	Magic Schools	1	23	24.06	34 34
26306	Pointers		23	32.95
27101	String Theory	2	23	29.03	9 17
30499	TWO STRINGS	5	23	30.37	14 14
33022	Ada and Hose		23	50.00
33048	Find Linear Recurrence	4	23	34.48	42 50
34118	Prime Pesticide	6	23	20.13	37 34
35196	Pandas are the best Lovers	6	23	47.19	23 23
36577	K-transfer journey	3	23	43.24	23 28
40084	Just Primes II	7	23	36.43	34 30
40642	Chips Challenge	1	23	26.62	17 17
1473	Lemon Tree in the Moonlight		22	19.49
2151	Digital Calculator		22	5.81
2417	Eliminate The Enemies		22	26.55
3927	Polygon on the Grid		22	36.62
5703	Primes of Lambda	2	22	26.97	42 42
6827	Last Minute Construction		22	17.94
7666	Telecommunications		22	24.75
8574	Four in a row	2	22	19.05	26 17
9974	Men From Mars		22	39.66
10077	Routing		22	44.83
10621	MONO		22	16.44
14864	Sales	1	22	30.19	34 34
15075	A Romantic Dinner Outing		22	21.39	1 1

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