Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Rational Sequence 2	2004	1485	74%	0.00	1319	1266	96%	1.5
A Rational Sequence (Take 3)	835	677	81%	0.00	558	535	96%	1.7
Arbitrage?	2267	551	24%	0.02	360	305	85%	3.2
Arcade!	1236	225	18%	0.01	214	155	72%	5.9
Arctic Network	1518	547	36%	0.00	482	388	80%	4.5
A Real Challenge	7608	3666	48%	0.00	3460	3240	94%	1.6
Area of Effect	164	12	7%	1.93	25	10	40%	8.7
Are You Listening?	1504	414	28%	0.00	390	341	87%	2.9
Arithmetic	2876	838	29%	0.00	860	667	78%	3.5
Army Strength (Easy)	3496	1764	50%	0.00	1637	1469	90%	2.2
Army Strength (Hard)	3983	2053	52%	0.01	1518	1354	89%	2.4
Around and Around We Go	51	14	27%	0.00	25	13	52%	7.6
Around the track	63	17	27%	0.01	25	14	56%	7.2
Around the Track	274	35	13%	0.00	55	25	45%	8.7
A Royal Problem	23	6	26%	0.73	5	3	60%	7.1
Arranging Hat	324	120	37%	0.05	115	98	85%	4.7
Arranging Wine	283	81	29%	0.03	90	63	70%	4.6
Arriving on Time	393	114	29%	0.04	94	73	78%	6.8
Artur	372	84	23%	0.01	93	65	70%	5.7
Artwork	1037	370	36%	0.06	344	229	67%	6.2
A Safe Bet	268	76	28%	0.15	83	56	67%	6.9
Ascending Photo	773	115	15%	0.04	187	74	40%	8.3
ASCII Addition	1052	570	54%	0.00	473	448	95%	1.9
ASCII Figure Rotation	1797	560	31%	0.00	583	487	84%	3.6
As Easy as CAB	901	55	6%	0.00	207	43	21%	9.5
Ask Marilyn	702	74	11%	0.01	81	56	69%	4.4
Aspen Avenue	1092	362	33%	0.00	270	180	67%	7.2
Assassins	262	92	35%	0.03	81	56	69%	6.5
Assembly Line	127	50	39%	0.90	51	38	75%	5.3
Assigning Workstations	6310	1413	22%	0.05	1051	895	85%	3.5
Assistant Ranking	75	11	15%	0.09	22	9	41%	8.6
Association for Computing Machinery	2454	929	38%	0.00	864	756	88%	2.6
Association for Control Over Minds	1499	460	31%	0.03	456	371	81%	4.7
Association for Convex Main Office	641	155	24%	0.05	171	128	75%	6.5
Association for Cool Machineries (Part 1)	1010	164	16%	0.04	219	134	61%	7.2
Association for Cool Machineries (Part 2)	46	27	59%	0.00	31	24	77%	5.7
Association for the Country of Mububa	1760	347	20%	0.00	417	262	63%	6.9
Association of Camera Makers	212	20	9%	0.46	23	8	35%	9.0
Association of Cats and Magical Lights	1971	547	28%	0.18	355	285	80%	5.2
Association of Computer Maintenance	888	88	10%	0.03	107	54	50%	8.5
Association of Myths	57	28	49%	0.00	33	28	85%	4.8
A Star not a Tree?	130	28	22%	0.00	32	19	59%	7.8
Asteroid Rangers	165	55	33%	0.09	52	38	73%	7.0
Asteroids	702	125	18%	0.00	88	66	75%	6.5
Astro	254	88	35%	0.00	98	84	86%	3.8
Atlantis	448	71	16%	0.05	97	52	54%	7.1
A Towering Problem	2100	1012	48%	0.00	1030	926	90%	2.2
Attendance	20	7	35%	0.53	10	7	70%	6.5
Auto Completion	109	28	26%	0.05	36	27	75%	7.2
Automatic Trading	788	230	29%	0.03	215	142	66%	5.2
Autori	18274	11538	63%	0.00	10543	10217	97%	1.2
Average Rank	185	82	44%	0.30	66	52	79%	4.8
Average Speed	1086	336	31%	0.00	353	286	81%	3.7
A Vicious Pikeman (Easy)	1883	580	31%	0.00	483	411	85%	3.8
A Vicious Pikeman (Hard)	1211	216	18%	0.01	226	125	55%	8.4
Avion	1604	891	56%	0.00	873	834	96%	1.4
Avogadro	172	74	43%	0.02	71	56	79%	5.2
Avoiding Airports	644	119	18%	0.08	126	70	56%	6.5
Avoiding the Apocalypse	630	249	40%	0.01	192	172	90%	4.1
Avoidland	724	357	49%	0.04	221	188	85%	3.8
A Walk Through The Forest	1205	402	33%	0.12	290	235	81%	4.5
Awkward Party	1702	717	42%	0.01	623	544	87%	2.8
Azulejos	1644	354	22%	0.23	345	261	76%	4.2
BAAS	114	46	40%	0.03	48	38	79%	6.4
Babelfish	8461	3644	43%	0.02	2970	2628	88%	2.0
Baby Bites	3211	1665	52%	0.00	1573	1464	93%	1.7
Babylonian Numbers	906	443	49%	0.00	455	400	88%	2.2
Bachet's Game	1949	1051	54%	0.08	711	659	93%	2.1
Backpack Buddies	199	56	28%	0.04	49	38	78%	5.6
Backspace	8903	3376	38%	0.00	2670	2266	85%	2.6
Bacon, Eggs, and Spam	3348	1954	58%	0.00	1654	1552	94%	1.6
Baggage	312	104	33%	0.00	122	87	71%	5.5
Bag of Tiles	545	168	31%	0.10	129	93	72%	6.3
Bakice	97	39	40%	0.00	48	37	77%	6.0
Bakterije	180	21	12%	0.00	33	17	52%	8.6
Balanced Cut	95	13	14%	0.07	16	9	56%	7.9
Balanced Diet	956	411	43%	0.00	360	294	82%	4.2
Balanced Diet	580	177	31%	0.01	160	119	74%	5.5
Ball Bearings	467	173	37%	0.00	182	150	82%	3.9
Balls and Needles	340	159	47%	0.08	134	125	93%	3.4
Ball Tricks	63	3	5%	0.30	3	2	67%	7.9
Baloni	2441	820	34%	0.01	740	571	77%	4.1
Banjo	262	48	18%	0.00	41	17	41%	9.1
Bank Queue	10374	2790	27%	0.00	2503	2035	81%	3.1
Barcode	2689	353	13%	0.07	276	191	69%	6.8
Bar Code	73	7	10%	3.81	7	5	71%	6.4
Bard	1558	733	47%	0.00	664	575	87%	2.7
Barica	203	82	40%	0.02	60	46	77%	5.5
Barking Up The Wrong Tree	230	28	12%	0.00	30	16	53%	8.9
Bar Shelf	172	95	55%	0.06	41	39	95%	1.9 - 8.8
Base-2 Palindromes	1098	422	38%	0.00	459	349	76%	4.4
basic	113	29	26%	0.00	34	24	71%	7.2
BASIC Interpreter	1442	250	17%	0.01	222	145	65%	6.3
Basic Remains	451	205	45%	0.01	173	155	90%	3.4
Basin City Surveillance	813	103	13%	0.00	122	62	51%	8.7
Basketball One-on-One	855	470	55%	0.00	423	390	92%	1.4
Batmanacci	1068	338	32%	0.00	344	276	80%	4.1
Bats!	7	3	43%	0.03	6	2	33%	6.7
Batter Up	7264	4548	63%	0.00	4225	4091	97%	1.3
Battle of Pokenom	1088	98	9%	0.00	237	85	36%	8.4