Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
12887	Ant Colony Optimization	45	61.82
12903	Saving BOB - 2	13	32.93	17 1
12958	Another Gift Problem	36	18.27
12961	Drastic Grapes	37	30.49
12964	Count on a treap	10	38.33
13020	Help MR BEAN	10	10.19	1 1
13031	Vision Field	28	24.46	34 34
13049	The Loyalty of the Orcs	91	28.32
13092	Snakes and Ladders Again	86	14.59
13094	Beggars	47	27.00	50 50
13118	The Rook and The Rookette	32	25.41	17 17
13120	FizzBuzz Happy 2013	12	46.67
13156	Tom and Jerry	27	12.78
13166	Totient in permutation (medium)	18	50.19
13167	Totient in permutation (hard)	7	15.10
13223	The BrainFast Processing! Classical version	9	43.66	50 17
13362	Median of sub-sequences	30	35.94
13365	Move the boulder	5	9.52
13369	Cut on a tree	9	6.36
13382	Kindergarten Painting Competition	36	37.38
13404	The Encrypted Password	166	35.88	17 17
13508	Madotsuki Pattern	10	39.29
13511	Determine the vismin value !	39	26.86
13591	Factor y Hell	9	21.67	50 34
13621	Security	24	35.44
13622	Dead Pixels	22	22.30
13815	India in Box	23	14.52
13816	Pheversos Game	8	48.28
13826	The Grandslam of Grandslams!	13	18.60
13884	FLING1	55	23.33
13895	Party Time	2	17.86
13941	The AMSCO cipher	247	37.75	17 17
13945	GHALIBS CHALLENGE	4	27.78
13948	Disjoint Subtrees	19	48.80	34 34
14031	Spring Primality	22	23.21
14034	Autumn Leaves	12	40.82
14035	Winter Crush	20	33.06
14181	LIFE IS A RACE	12	31.65
14387	Science	16	23.08
14751	Self Descriptive Number	43	56.10
14819	Permutation Generator	28	36.84
14830	The Codefather	12	11.34	1 1
14833	The Fox and the Wolf	14	27.40	17 17
14839	Boxdropper	18	33.33	17 17
14848	Boxlings	14	19.80
14858	digit count	40	23.69
14883	Box Factory	14	36.17
14889	Good Strategy	56	39.23
14946	Travelling Santa	50	33.85	9 9
14949	HELPER	13	64.00

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