Problems by Piotr Rudnicki

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Antiarithmetic?	1093	205	19%	0.01	264	149	56%	7.2
Ants	2843	1278	45%	0.00	995	884	89%	2.4
Bachet's Game	1747	980	56%	0.08	652	608	93%	2.0
Basic Remains	328	140	43%	0.02	128	113	88%	3.7
Brownie Points I	206	118	57%	0.02	105	95	90%	2.3
Brownie Points II	30	6	20%	0.11	8	4	50%	7.0
Closest Sums	2929	1149	39%	0.00	944	826	88%	2.9
Cutting a polygon	224	35	16%	0.00	42	25	60%	7.9
Ferry Loading IV	2251	683	30%	0.00	703	508	72%	3.7
How many 0's?	819	357	44%	0.00	319	242	76%	4.1
Knights in Fen	1633	587	36%	0.00	286	247	86%	2.9
Magic Bitstrings	72	27	38%	0.00	29	24	83%	5.9
Marbles On A Tree	866	330	38%	0.00	231	207	90%	2.9
Persistent Numbers	489	206	42%	0.02	167	136	81%	3.8
Rectilinear Polygon	42	14	33%	0.01	16	12	75%	6.4
Three Powers	1615	798	49%	0.00	639	590	92%	2.5
Tri Tiling	1044	486	47%	0.00	392	363	93%	2.2
Watering Grass	1877	376	20%	0.02	320	235	73%	5.9