Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
115	Family	2	65	12.43	34 26
116	Intervals	3	341	31.82	17 17
118	Rhombs		75	45.71
119	Servers		104	20.45
120	Solitaire	4	329	25.28	30 21
121	Timetable		50	15.31
122	Voracious Steve	1	237	31.38
123	Paying in Byteland	1	400	48.43	1 17
130	Rent your airplane and make money	70	2666	28.81	17 17
131	Square dance		280	52.52
132	Help R2-D2!	3	616	30.43	28 24
134	Phony Primes	1	171	18.91	26 26
135	Men at work	1	248	37.98	30 34
136	Transformation		73	37.27
137	Partition	13	729	38.56	21 20
138	Election Posters	36	1686	26.33	18 22
139	The Long and Narrow Maze		201	20.87
140	The Loner	-1	153	22.80	34 17
142	Johnny and the Glue		98	37.28
145	Aliens	1	380	30.40	50 50
146	Fast Multiplication Again		34	22.65
147	Tautology	1	447	42.26
148	Land for Motorways	1	193	42.27	17 17
149	Fencing in the Sheep	3	89	12.08	34 23
150	Where to Drink the Plonk?	1	480	35.56
151	The Courier	23	825	36.96	21 21
153	Balancing the Stone	1	307	35.90	34 34
154	Sweet and Sour Rock	56	2819	51.01	13 17
160	Choosing a Palindromic Sequence		91	33.33
174	Paint templates		54	40.67
175	Polygon		66	24.61
176	Sum of one-sequence	4	625	33.56	1 21
177	AB-words	1	13	1.22	50 50
178	Road net	6	2148	49.27	8 6
179	Word equations	1	171	25.05	17 17
180	How to pack containers		93	39.74
181	Scuba diver	71	2921	27.31	18 18
182	Window		39	29.21
183	Assembler circuits		55	30.73
184	Automatic Teller Machines		181	32.78
185	Chase	1	203	26.91	1 34
186	The lightest language	1	96	24.49	17 34
187	Flat broken lines	1	95	44.12	17 17
188	Rectangles	1	172	28.32	17 17
196	Musketeers	3	435	32.39	17 30
199	Empty Cuboids	-1	139	35.08
200	Monodigital Representations	1	157	32.50	34 34
201	The Game of Polygons	1	244	39.67	1 17
202	Rockets	-2	60	13.42	34 34
203	Potholers	18	1889	27.28	17 14

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