Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
35147	Bermuda Love Triangle	6	43	57.43	13 15
35672	Try to learn properly	7	43	15.62	21 21
38365	Asacoco Prescription	2	43	19.10	17 26
41507	GCD Product Sum	6	43	31.35	6 23
309	The Room Pattern	1	44	15.90	34 17
407	Random Number		44	28.12	17 17
1788	Fractan		44	32.76
2189	Making Pairs	1	44	16.21	34 42
2648	Archiver	1	44	13.46	34 50
3078	Copying DNA		44	23.53
7050	Necklace Decomposition		44	59.79
7566	Expected Cycle Sums		44	46.40
7783	Commuting Functions		44	25.22
9896	Train delays		44	25.40
11276	Adventure		44	37.36
12008	Fibonacci recursive sequences (medium)		44	27.49
13364	THE N WITTY FRIENDS	1	44	20.85	17 17
20849	Interesting queries	2	44	36.32	34 34
21061	Yet Another Subset Sum Problem	2	44	45.09	50 50
21092	DRAW TABLE	6	44	54.07	17 1
23806	Yossy, The King of IRYUDAT	3	44	5.55	28 39
31430	Highschool Homework	6	44	21.18	21 21
34409	Disconnected country	1	44	21.54	34 34
182	Window	1	45	29.80	17 34
1672	The Great Indian Wedding		45	22.27
3359	Stack		45	15.60
3646	Adventure Tourism		45	15.69
3972	Stargates		45	13.29
7211	Elastic Bands	1	45	55.72	17 17
8263	Big Pyramid	3	45	59.76	23 23
9042	HQNP Incomputable	4	45	33.55	1 9
10141	STRAZA		45	46.51	34 17
10465	One Theorem, One Year		45	42.08
10508	Buttons		45	24.77
10877	Decoys and Diversions		45	18.03	9 17
11440	Unlock it ! Part 2		45	21.02
11707	Wrong directions	2	45	31.05	39 34
12651	Finding Fishes	1	45	27.57
21068	Popular	3	45	24.53	34 50
21104	Jarin Loves New Task	6	45	36.99	21 21
21643	Unhappy Numbers	6	45	36.75	31 31
21834	Sadde and His City	3	45	23.83	28 23
27483	Counting Words	4	45	49.15	17 21
28466	Leonardo de Pisa	3	45	14.86	1 1
30009	Game of MODs	7	45	23.62	19 17
34621	NARUTO AND HILLS	8	45	41.72	20 15
40636	Stacks of boxes	2	45	27.62	26 34
1462	Barbarians		46	14.68
2271	Undecodable Codes		46	12.26
3305	Roman Patrollers		46	59.46

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