Problems by Piotr Rudnicki

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Flea on a Chessboard	999	210	21%	0.01	209	148	71%	5.3
Antiarithmetic?	2137	409	19%	0.01	466	264	57%	7.7
Ants	4927	2247	46%	0.00	1829	1618	88%	2.4
Bachet's Game	3919	1753	45%	0.04	1133	1037	92%	2.7
Basic Remains	1005	458	46%	0.01	405	363	90%	3.3
Brownie Points I	549	339	62%	0.02	297	281	95%	2.2
Brownie Points II	51	13	25%	0.11	16	9	56%	7.4
Closest Sums	6131	2312	38%	0.00	1826	1604	88%	2.7
Cutting a polygon	303	46	15%	0.00	58	33	57%	8.8
Ferry Loading IV	3715	1234	33%	0.00	1227	950	77%	3.1
Grid Speed	23	5	22%	0.04	9	5	56%	7.4
How many 0's?	1222	567	46%	0.00	516	400	78%	4.3
Knights in Fen	2784	973	35%	0.00	521	448	86%	3.5
Magic Bitstrings	138	58	42%	0.00	54	45	83%	6.1
Marbles On A Tree	1690	653	39%	0.00	476	429	90%	3.0
Persistent Numbers	956	402	42%	0.02	324	270	83%	3.9
Rectilinear Polygon	60	26	43%	0.01	26	21	81%	5.1
Three Powers	2745	1339	49%	0.00	1097	1018	93%	2.3
Tri Tiling	2195	954	43%	0.00	804	727	90%	2.4
Watering Grass	4677	1024	22%	0.02	735	559	76%	5.3