Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
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
16297	Sir and The ICC Ratings		22	22.90
16307	Game of stones II	1	22	37.61	34 34
16411	Slasticar		22	56.60
16686	Some Sums	3	22	26.72	34 26
18522	Tours		22	13.10	42 26
20689	WA,RTE and Placements	1	22	39.20	34 34
26214	Pisano Factors	3	22	31.30	26 26
26744	Coverage		22	39.13
27096	Forever Young	1	22	22.52
29454	Martian Colony	4	22	35.00	17 17
33773	Ada and Dahlia	3	22	19.51	26 17
34373	Clickbait	8	22	32.69	32 19
34380	Even Semiprime Runs	4	22	63.74	28 28
36998	Superpowertree	2	22	30.98	17 17
41213	Diamond Collector	2	22	42.11	6 12
1269	CN Tower (Hard)		23	11.69	34 34
1526	Ranklist Sorting	1	23	12.09	17 34
2142	Arranging Flowers		23	9.57
3465	Drive through MegaCity		23	25.16
3641	Earthquakes		23	37.68
3884	When (You Believe)		23	8.98
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

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