Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	CODE	USERS	ACC %
112	Horizontally Visible Segments	SEGVIS	105	32.15
115	Family	FAMILY	50	16.60
116	Intervals	INTERVAL	220	35.32
118	Rhombs	RHOMBS	61	54.62
119	Servers	SERVERS	90	23.09
120	Solitaire	SOLIT	171	23.85
121	Timetable	TTABLE	38	22.64
122	Voracious Steve	STEVE	173	37.04
123	Paying in Byteland	PAYING	248	56.64
130	Rent your airplane and make money	RENT	430	24.99
131	Square dance	SQDANCE	157	46.22
132	Help R2-D2!	HELPR2D2	171	25.60
134	Phony Primes	PHONY	122	17.94
135	Men at work	MAWORK	119	45.92
136	Transformation	TRANS	70	43.53
137	Partition	PARTIT	302	42.89
138	Election Posters	POSTERS	324	26.74
139	The Long and Narrow Maze	MAZE	143	22.17
140	The Loner	LONER	78	29.78
142	Johnny and the Glue	GLUE	59	43.90
145	Aliens	ALIENS	137	35.24
146	Fast Multiplication Again	MULTIPLY	29	42.86
147	Tautology	TAUT	233	42.98
148	Land for Motorways	MLAND	48	43.00
149	Fencing in the Sheep	FSHEEP	55	14.00
150	Where to Drink the Plonk?	PLONK	325	36.01
151	The Courier	COURIER	165	46.21
153	Balancing the Stone	SCALES	169	41.14
154	Sweet and Sour Rock	ROCK	571	46.82
160	Choosing a Palindromic Sequence	PALSEC	85	37.82
174	Paint templates	PAINTTMP	51	45.31
175	Polygon	POLY1	67	31.94
176	Sum of one-sequence	SUM1SEQ	409	35.26
177	AB-words	ABWORDS	4	0.47
178	Road net	ROADNET	824	50.88
179	Word equations	WORDEQ	148	26.11
180	How to pack containers	CONTPACK	85	43.14
181	Scuba diver	SCUBADIV	499	33.57
182	Window	WINDOW1	41	40.88
183	Assembler circuits	ASCIRC	48	33.76
184	Automatic Teller Machines	ATMS	155	43.31
185	Chase	CHASE1	116	29.27
186	The lightest language	LITELANG	72	29.64
187	Flat broken lines	FLBRKLIN	63	49.44
188	Rectangles	RECTNG1	138	30.70
196	Musketeers	MUSKET	189	28.79
199	Empty Cuboids	EMPTY	113	37.39
200	Monodigital Representations	MONODIG	93	34.64
201	The Game of Polygons	POLYGAME	198	40.34
202	Rockets	ROCKETS	39	13.05