Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
149	Fencing in the Sheep	3	102	12.99	34 17
148	Land for Motorways	3	215	41.02	17 21
147	Tautology	2	778	37.37	9 9
146	Fast Multiplication Again		36	10.19
145	Aliens	2	435	30.00	34 42
142	Johnny and the Glue		110	38.36	17 17
140	The Loner		160	21.49	34 17
139	The Long and Narrow Maze	1	211	20.16	17 17
138	Election Posters	65	2341	25.84	20 21
137	Partition	17	788	36.72	17 20
136	Transformation		83	32.18	17 17
135	Men at work	1	268	38.56	24 26
134	Phony Primes	1	183	19.22	23 23
132	Help R2-D2!	13	771	29.70	19 17
131	Square dance		353	50.10	1 1
130	Rent your airplane and make money	88	3387	28.64	18 17
123	Paying in Byteland	2	479	46.72	6 17
122	Voracious Steve	2	275	29.95	23 23
121	Timetable		63	16.46	17 17
120	Solitaire	8	370	23.48	26 16
119	Servers		116	19.59	17 17
118	Rhombs		113	42.32	1 34
116	Intervals	5	1199	24.27	21 24
115	Family	2	79	12.22	28 28
112	Horizontally Visible Segments	1	162	27.39	17 34
110	Fill the Cisterns	29	1425	31.42	21 20
109	Exchanges	1	130	43.31	34
108	Decoding Morse Sequences	7	973	25.04	24 17
107	Calendar of the Maya	5	137	44.42	21 17
106	Binary Stirling Numbers	3	2693	37.10	4 17
105	Alice and Bob	3	179	26.74	42 42
104	Highways	2	821	20.59	23 28
102	GX Light Pipeline Inc		80	31.09
101	Fishmonger	48	2318	38.19	17 21
100	Tower of Babylon	45	3108	50.62	19 21
99	Bus		188	22.24	34 17
98	Dance Floor	3	727	40.34	12 12
97	Party Schedule	251	8957	36.23	14 16
96	Shopping	46	3099	44.18	15 11
95	Street Parade	318	18625	29.08	14 11
94	Numeral System of the Maya	4	2599	40.57	10 6
92	Cutting off Squares	-1	266	40.31	1 1
91	Two squares or not two squares	79	6096	24.70	11 14
90	Minimizing maximizer	3	389	24.84	17 26
89	Hang or not to hang	1	66	15.60	17 17
88	Which is Next	1	132	19.44	34 34
87	Football	1	67	19.69	17 1
86	November Rain	4	301	17.60	21 21
85	Dice Contest		49	21.73	34 34
84	Shortcut	1	237	31.56	17 9

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