Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
7589	Cave Crisis		13	54.84
7860	Deal or No Deal	1	13	30.77
7946	Check Ramsey	2	13	19.48	9 9
9936	Construct the Great Wall		13	42.86
10647	Divide And Conquer		13	17.28
11871	Captain Qs Treasure		13	63.64
12802	Yet Another Counting Problem		13	46.77
12903	Saving BOB - 2		13	28.72	17 1
13020	Help MR BEAN		13	9.26	1 1
14034	Autumn Leaves		13	38.89
14820	Return of the Digger	2	13	17.59	17 17
14949	HELPER		13	39.47
22271	Periodic function, trip 3		13	52.07	34 17
27519	Zeros of the fundamental Fibonacci period	-1	13	21.50	50 50
31772	Boss Baby	2	13	17.09	28 17
32446	Sanvi and Magical Numbers	1	13	26.83	50 34
33147	Ada and Lemon 2		13	47.22
33976	Ada and Christmas		13	51.16
34103	Chiaki Sequence		13	23.94
40643	The Revenge Of Anti Hash	1	13	18.64	34 34
42570	Big J Walks Around the school	-1	13	64.00	1 1
1701	Earth Observation with a Mobile Robot Team		14	40.54
3009	Revenge of Voronoi		14	30.26
3495	The Nobel Thief		14	51.52
4212	Another Longest Increasing Subsequence Problem		14	42.50
4478	Counting Expressions II		14	17.65
5373	Four Mines		14	6.25
6767	Sequence Function		14	18.52
7402	Repair Depots		14	43.90
7403	Messy Administration	1	14	30.88	17 17
7490	Biology		14	5.93
7558	D - Alphabetomials		14	41.46
7627	Driving Direction		14	49.02
9746	Bytelandian Tours		14	16.67
13508	Madotsuki Pattern		14	44.12
13833	Super Borboletas World	1	14	24.32	34 34
15649	Unequalled Consumption	1	14	23.53	17 34
16018	Edge Detection		14	53.33
27484	Zeros in Fibonacci period	2	14	39.08	1 50
28315	Shoumiks Weakness	1	14	22.33	34 34
31975	Ada and Scarecrow		14	16.06	50 50
35152	Best Saved For The Last	1	14	24.44	1 17
35675	Primes in GCD Table (Hard)	2	14	25.27	50 50
37375	Kingdom of Equality	2	14	40.62	26 26
2275	Toil for Oil		15	28.65
3002	Electrophoretic		15	20.93
3254	Guard		15	43.24
5182	Double Sorting		15	8.70
5566	Math with Bases		15	10.78
8265	Zero Count	1	15	12.03	50 17

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