Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	CODE	USERS	ACC %
1739	Yet Another Equation	EQU2	83	44.30
1741	Tetris 3D	TETRIS3D	40	22.88
1744	Evaluate the polynomial	POLEVAL	605	44.06
1748	Sequence Partitioning II	SEQPAR2	32	45.05
1754	Divisor Summation (Hard)	DIVSUM2	87	11.34
1771	Yet Another N-Queen Problem	NQUEEN	116	29.12
1772	Find The Determinant II	DETER2	33	19.77
1774	All Discs Considered	ALL	145	41.34
1775	Boolean Logic	BOOLE	41	44.88
1776	DNA Laboratory	DNALAB	45	20.35
1784	IOICamp Sequence	ICAMPSEQ	148	14.28
1785	Code	CODE	100	45.97
1786	In Danger	DANGER	611	55.90
1787	Run Length Encoding	ENCONDIN	339	14.56
1788	Fractan	FRACTAN	30	36.45
1789	Huffman´s Greed	GREEDULM	49	49.15
1790	Binary Search Heap Construction	HEAPULM	61	26.19
1793	Text Generater II	GEN2	34	38.17
1794	Greedy Hydra II	DRAGON2	27	31.11
1797	Cardsharper	CARD	0	0.00
1798	Assistance Required	ASSIST	559	44.43
1799	The Bottom of a Graph	BOTTOM	148	41.63
1800	Fixed Partition Contest Management	CONTEST	47	45.97
1801	Drink, on Ice	DRINK	245	46.94
1802	Edge	EDGE	237	66.27
1803	Fold	FOLD	47	58.33
1804	Genetic Code	GENETIC	157	50.25
1805	Largest Rectangle in a Histogram	HISTOGRA	452	31.03
1810	Nuclear Plants	ORZ	7	18.57
1811	Longest Common Substring	LCS	26	4.19
1812	Longest Common Substring II	LCS2	6	4.17
1815	Problems Collection (Volume X)	WA	15	5.38
1825	Free tour II	FTOUR2	79	16.67
1833	Sudoku	SUDOKU2	33	45.78
1835	The SetStack Computer	SETSTACK	79	30.23
1837	Pie	PIE	243	45.17
1838	Ticket to Ride	TICKET	41	51.49
1839	The Bookcase	BOOKCASE	63	38.36
1840	Printer Queue	PQUEUE	492	55.77
1841	Prime Path	PPATH	476	59.68
1842	Lineland Airport	LINELAND	26	26.62
1843	Leonardo Notebook	LEONARDO	157	38.67
1845	Mice and Maze	MICEMAZE	368	42.82
1846	Project File Dependencies	PFDEP	283	36.76
1847	No Change	NOCHANGE	193	36.71
1865	Making Waves	MKWAVES	86	43.85
1866	Making Pals	MKPALS	111	48.80
1868	Making Money	MKMONEY	355	35.58
1869	Making Mountains Out Of Molehills	MKMOOM	7	16.18
1870	Making Labels	MKLABELS	345	60.30