Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7972	World of cubes		34	17.42
8663	Squares Game		34	48.75
9382	Complan Carnival		34	35.77
10088	Assembly Line		34	40.43
10539	Bunnies	2	34	11.48	17 17
10607	Delivery		34	27.36
11963	Packing Rectangles		34	54.17
13500	Discord is at it again	2	34	41.77	34 34
14892	Good Aim	-1	34	20.95	34 17
16636	Journey		34	22.28
19290	Parade		34	41.32
19722	Modular Tetration	4	34	70.41	30 30
21463	Arithmetic Rectangle		34	21.27
26450	Palindromic Primes (Hard)	5	34	25.05	34 30
28744	Coin Fight	3	34	23.41	9 17
36145	Machine Cooling II	2	34	17.56	17 17
1644	Trees	1	35	14.64	34 34
2031	Please help You-Know-Who		35	32.89
3307	Hex Tile Equations	1	35	42.45
3644	Winning Strategy	1	35	38.98	17 50
3679	Moo University - Emergency Pizza Order	-1	35	26.42
7778	Land Division	1	35	43.21	17 17
7861	UFO	1	35	30.00	17 17
7886	Boards (Hard)		35	34.59
8542	Modern Pocket Calculator		35	9.15	28 6
10073	Darts	1	35	62.86
10587	Enemies		35	34.07
12236	Cloud Computing		35	38.10
12958	Another Gift Problem		35	18.33
25471	AM FM	2	35	12.34	17 34
27218	Segmentation	6	35	41.50	23 28
32259	Walk home together	1	35	8.84	17 17
33263	Ada and Tomel	2	35	36.07	26 26
33324	Ada and Salesman	1	35	52.28	17 17
34681	Lovely Kitty	1	35	23.76	17 23
35381	VALENTINE	2	35	26.40	11 14
36144	The Cow Gathering	2	35	25.86	17 34
37476	Personal LCM	4	35	11.54	21 30
39924	Precious Prizes	1	35	27.70	17 12
146	Fast Multiplication Again		36	12.80
780	The Archipelago		36	42.18	45 34
4154	IZBORI		36	24.54
5128	Bomb the Bridge	1	36	28.18	17 17
6500	Counting Diameter		36	40.78
7356	Iterated Bitcount Function	2	36	17.72	42 34
8331	Sister cities		36	52.75
8992	A los saltos		36	30.82
9123	Security Zone		36	27.22
9448	Swarm of Polygons		36	35.59
10210	After Party Transfers	1	36	4.79	34 28

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