Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
9691	Triangles and Quadrangle		14	12.32
149	Fencing in the Sheep	3	94	12.36	34 17
684	Another Assignment Problem	1	103	12.40	34 1
9520	Tanks	1	14	12.41	34 34
11180	369 Numbers	17	777	12.41	26 24
1965	Set Cover	2	25	12.42	1 17
1687	Logic II	1	24	12.45	34 34
146	Fast Multiplication Again		36	12.50
8265	Zero Count		14	12.50
34353	Smelly Toilets	1	6	12.50
36712	Trailing digits	7	62	12.50	13 13
13529	Special Graph	4	80	12.57	37 30
13420	Fimodacci	3	35	12.58	12 26
12210	High and Low		61	12.63
10800	GAME		21	12.64
13801	Dexter Rank	1	9	12.64	34 34
31036	Ada and Mulberry	5	113	12.65	27 24
10082	Comparing Answers		58	12.67
1784	IOICamp Sequence	1	318	12.68	1 17
188	Rectangles	2	182	12.71	17 23
9508	Magic Bitwise AND Operation		104	12.72
32029	Ada and Connections	6	69	12.72	24 24
14929	Subsequence	2	173	12.74	10 15
1526	Ranklist Sorting	1	23	12.75	17 34
327	Platon and Socrates		50	12.75	9 34
15360	World Record Lunch		24	12.76
32567	First to meet the spaceship	1	31	12.76	34 17
47	Skyscraper Floors	7	286	12.76	23 20
205	Icerink		8	12.79
5158	Heroes Arrangement		12	12.80
20926	Special Numbers (Reverse and Add)	1	21	12.83	26 26
15328	Hunter x Hunter	-1	71	12.91	1 17
25810	Divisibility Test	10	57	12.93	24 26
30828	Class Leader	3	192	12.94	23 28
245	Square Root	4	575	12.97	20 10
6720	Paper Fold		19	13.01
2271	Undecodable Codes		46	13.01
26772	Lets Be An Anagrammatist	5	33	13.02	26 21
241	Arranging the Blocks		52	13.04
5155	Exciting Time		40	13.06
278	Bicycle		56	13.08	34 1
18522	Tours		22	13.10	42 26
11851	Power with Combinatorics(HARD)	1	128	13.13	34 42
9685	Zombie’s Treasure Chest	2	75	13.16	9 17
5014	Crazy Receptionist		11	13.18
40643	The Revenge Of Anti Hash	1	12	13.27	34 34
30452	Moumita and Assignments	5	67	13.27	21 21
3972	Stargates		45	13.29
15435	Schedules		23	13.33
10822	The Prime Minister	1	26	13.35

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