Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
36653	Blind Escape II	2	2	62.07	17 34
36667	Solution to all the problems	7	52	28.46	13 9
36668	Not So Blind Escape	1	2	23.81	34 50
36670	Bipartite Permutation	6	73	55.56	10 22
36671	Bipartite Permutation (Hard)	2	3	42.86	26 34
36674	PIZZA	4	90	24.82	1 17
36704	Projectile Motion	2	7	5.73	34 26
36710	To the Bird-planet	1	13	22.11	1 17
36712	Trailing digits	6	46	12.34	13 13
36718	Fashionable self-describing numbers	1	2	23.08	34 34
36789	Linear Diophantine Equation		0	0.00
36797	GOOD COMMUNICATION	2	11	50.00	17 17
36860	Epidemic Control	4	16	66.67	28 23
36861	Yet Another Perfect Square Equation	8	35	27.85	10 20
36886	Absurdistans Teaparties	3	8	33.33	34 34
36896	Supraiden		0	0.00
36936	K-Divisors	1	1	20.00	34 34
36937	Random Magic Trick	1	2	50.00	17 17
36941	AND Queries	1	1	100.00	17 34
36946	March Of The King	1	2	100.00	34 34
36951	HowManyLis		0	0.00