Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
118	Rhombs		102	46.62	1 34
182	Window	1	44	29.44	17 34
186	The lightest language	1	135	24.55	17 34
196	Musketeers	2	482	30.15	17 34
202	Rockets	-1	56	12.18	34 34
215	Panic in the Plazas		82	20.39	34 34
262	Connections	1	111	28.84	34 34
318	Pythagorean Legacy		27	22.22	1 34
325	The Tall Windmills		82	24.75	34
327	Platon and Socrates		49	12.64	9 34
332	Hard Question		100	30.63	1 34
369	Math I		86	25.23	34 34
387	Travelling tours	1	304	53.89	30 34
401	Translations		131	38.11	17 34
421	Another Road Problem		67	24.36	17 34
422	Transposing is Even More Fun	1	281	25.68	26 34
481	Roots of polynomial		37	24.90	17 34
685	Partition the sequence	3	230	21.07	23 34
707	Triple-Free Sets	1	161	40.60	34 34
780	The Archipelago		36	42.18	45 34
839	Optimal Marks	8	790	24.33	28 34
1183	Accomodate the palace	4	543	52.35	17 34
1420	Geometry and a Square	1	268	33.99	17 34
1433	The Sum	2	279	17.04	42 34
1441	The Clever Typist	1	34	9.67	17 34
1466	Blue Mary Needs Help Again	4	202	20.61	28 34
1476	Maximum Profit	6	337	31.87	21 34
1480	Let us count 1 2 3	1	70	14.73	1 34
1526	Ranklist Sorting	1	23	12.75	17 34
1552	Mobiles		183	27.63	34 34
1644	Trees	1	35	14.66	34 34
1687	Logic II	1	24	12.50	34 34
1712	Permalex	-1	168	19.49	34 34
1748	Sequence Partitioning II	1	54	25.26	17 34
1771	Yet Another N-Queen Problem	2	320	24.40	17 34
1789	Huffman´s Greed	1	86	46.19	17 34
1825	Free tour II	1	528	14.09	17 34
1833	Sudoku	1	48	32.02	34 34
1843	Leonardo Notebook	3	358	33.97	17 34
1875	Cool Numbers	6	164	30.42	30 34
1878	Farmers Cattle	1	57	37.62	34 34
1879	Game Time	1	101	22.59	34 34
2000	Boxes (Hard)	2	17	3.07	26 34
2009	Cryptography	1	142	4.80	1 34
2124	Last Non-Zero Digit of Factorials	4	472	25.01	26 34
2152	Hilbert Curve	1	13	16.29	34 34
2176	Finding Seats	2	220	14.87	34 34
2276	Partitions	1	19	10.80	34 34
2317	Bracket Sequence	1	52	23.46	26 34
2320	Manhattan	8	689	32.21	20 34

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