Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
14943	Dynamically-Rooted Tree	21	343	31.12	21 23
9577	Dynamic Tree Connectivity	13	656	28.77	29 28
8791	Dynamic LCA	9	494	29.70	26 24
9576	Dynamic Graph Connectivity	8	329	38.09	41 38
9543	Dynamic Congruence Equation System		10	54.97	50 50
12749	Dynamic Assignment Problem	1	16	54.64	34 34
9515	Dwarven Sniper´s Hunting		18	39.34
18184	Durins Day		40	54.17
660	Dungeon of Death	14	1355	42.80	13 26
18917	Dukkar and Pikka	5	314	56.34	7 23
10648	DUGDUG		50	25.38
18183	Drunk Game	3	41	39.19	26 26
2174	Drop the Triples	5	122	29.04	21 24
7627	Driving Direction		14	49.02
3465	Drive through MegaCity		24	20.86
10683	DRIVE		1	1.37
1801	Drink, on Ice	1	522	42.66	9 9
4305	Drilling	3	121	20.15	17 34
11885	Drawing Triangles with Brainf##k		46	33.68
28458	Drawing triangles		28	8.62
7409	Drawing Quadrilaterals		51	11.46
36530	Drawing Polygrams	5	53	30.11	9 17
25889	Drawing Lines	3	37	22.09	23 17
21092	DRAW TABLE	6	47	53.79	17 1
19320	Draw Skyline Graph	2	109	20.02	31 26
7210	Draw Mountains	5	337	44.33	17 6
12559	Drastic Race		51	36.42
12961	Drastic Grapes		43	33.53
1876	Dragon Curves	2	176	50.23	1 17
10415	Dracula	6	156	23.12	20 22
3322	Doubled Numbers	2	169	49.36	17 17
903	Double Vision		67	57.04	1 1
8894	Double Time	1	33	47.87	17 1
5182	Double Sorting		15	8.70
4203	Double Queue	1	84	41.38	17 17
3388	Double Near Palindromes	1	456	34.21	17 17
10286	DOTA HEROES	44	6108	44.87	3 5
8105	Dot Product Maximization	3	80	16.63	17 17
20635	Dortmund Dilemma	1	22	48.33	17 34
3195	Doors and Penguins	9	244	27.35	19 16
11895	DONALDO	7	518	24.81	11 13
4197	Dominoes	4	125	23.08	23 23
27521	Domino's effect	1	15	31.43	1 9
4157	Domino	4	56	49.80	42 42
25819	DOMINO	1	21	27.78	34 34
11521	Dominant Strings		78	34.81
11984	Dome of Circus		21	45.95
9761	Dolls	2	112	32.33	17 26
23742	Dolan and Nephews	6	55	38.51	31 28
11834	DOJO Corridor II	3	27	30.69	42 34

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