Problems by Piotr Rudnicki

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Antiarithmetic?	1137	214	19%	0.01	271	153	56%	7.2
Ants	2881	1304	45%	0.00	1020	907	89%	2.3
Bachet's Game	1777	989	56%	0.08	664	616	93%	2.1
Basic Remains	356	153	43%	0.02	135	119	88%	3.8
Brownie Points I	225	129	57%	0.02	114	103	90%	2.4
Brownie Points II	30	6	20%	0.11	8	4	50%	7.1
Closest Sums	3161	1241	39%	0.00	994	872	88%	2.9
Cutting a polygon	241	42	17%	0.00	45	29	64%	7.7
Ferry Loading IV	2302	702	30%	0.00	719	522	73%	3.6
How many 0's?	822	359	44%	0.00	320	243	76%	4.0
Knights in Fen	1645	592	36%	0.00	290	251	87%	2.9
Magic Bitstrings	72	27	38%	0.00	29	24	83%	6.0
Marbles On A Tree	883	338	38%	0.00	239	215	90%	2.9
Persistent Numbers	503	215	43%	0.02	172	140	81%	3.8
Rectilinear Polygon	43	15	35%	0.01	17	13	76%	6.3
Three Powers	1647	814	49%	0.00	655	606	93%	2.5
Tri Tiling	1064	495	47%	0.00	401	372	93%	2.1
Watering Grass	1960	396	20%	0.02	336	247	74%	5.9