Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Appalling Architecture	839	245	29%	0.00	216	180	83%	4.1
Apparatus	769	198	26%	0.01	168	124	74%	5.9
Appeal to the Audience	5	4	80%	0.03	3	3	100%	5.1
Apple Market	482	100	21%	0.07	125	63	50%	8.4
Apples, Cherries, and Mangos	443	134	30%	0.02	139	98	71%	6.7
A Prize No One Can Win	5557	1657	30%	0.00	1336	1168	87%	2.6
Aquarium Tank	557	156	28%	0.00	154	119	77%	5.9
Aqueduct Construction	282	117	41%	0.01	61	53	87%	6.3
A Question of Ingestion	1917	457	24%	0.00	397	312	79%	5.4
Arable Area	345	77	22%	0.04	75	47	63%	8.1
Arachnophobia	548	177	32%	0.12	163	128	79%	5.4
A Random Problem	357	91	25%	0.00	85	60	71%	6.1
A Rational Sequence	1950	649	33%	0.00	706	512	73%	5.2
A Rational Sequence 2	2560	1885	74%	0.00	1665	1600	96%	1.5
A Rational Sequence (Take 3)	1126	912	81%	0.00	761	727	96%	1.7
Arbitrage?	2650	646	24%	0.02	437	370	85%	3.6
Arcade!	1271	233	18%	0.01	225	160	71%	6.1
Arcaea Partners	57	16	28%	0.09	17	14	82%	6.7
Architecture	140	80	57%	0.00	80	75	94%	2.4
Arctic Network	2497	879	35%	0.00	673	553	82%	4.2
A Real Challenge	10060	4913	49%	0.00	4644	4363	94%	1.5
Area of Effect	171	15	9%	1.38	30	13	43%	8.1
Are You Listening?	2221	698	31%	0.00	661	594	90%	2.6
Arithmetic	3542	1054	30%	0.00	1085	854	79%	3.7
Army Strength (Easy)	4105	2078	51%	0.00	1931	1740	90%	2.2
Army Strength (Hard)	4582	2378	52%	0.01	1822	1643	90%	2.2
Around and Around We Go	59	16	27%	0.00	27	15	56%	7.1
Around the Track	277	36	13%	0.00	57	26	46%	9.1
Around the track	65	17	26%	0.01	26	14	54%	7.6
A Royal Problem	29	7	24%	0.73	9	4	44%	8.0
Arranging Hat	371	136	37%	0.05	124	107	86%	5.2
Arranging Wine	315	93	30%	0.03	103	74	72%	5.2
Array of Discord	1695	317	19%	0.00	340	233	69%	5.5
Arriving on Time	478	140	29%	0.04	115	93	81%	5.7
Art Appreciation	81	21	26%	0.12	21	13	62%	7.9
Artur	472	99	21%	0.01	107	75	70%	6.1
Artwork	1098	407	37%	0.06	371	255	69%	5.9
A Safe Bet	329	103	31%	0.15	92	63	68%	6.3
Ascending Photo	1053	183	17%	0.04	210	84	40%	8.5
ASCII Addition	1432	823	57%	0.00	732	691	94%	1.9
ASCII Figure Rotation	2253	744	33%	0.00	768	651	85%	3.2
As Easy as CAB	1164	100	9%	0.00	257	77	30%	9.2
Ask Marilyn	1014	152	15%	0.01	141	108	77%	4.3
Aspen Avenue	2150	606	28%	0.00	398	268	67%	5.9
Assassins	349	126	36%	0.03	118	85	72%	4.9
Assembly Line	298	94	32%	0.90	79	59	75%	6.1
Assigning Workstations	10015	2397	24%	0.05	1681	1456	87%	3.3
Assistant Ranking	77	13	17%	0.09	24	11	46%	8.6
Association for Computing Machinery	2806	1072	38%	0.00	964	850	88%	2.7
Association for Control Over Minds	1992	633	32%	0.03	601	499	83%	4.3
Association for Convex Main Office	676	165	24%	0.05	179	136	76%	6.6
Association for Cool Machineries (Part 1)	1453	293	20%	0.04	251	161	64%	6.9
Association for Cool Machineries (Part 2)	47	28	60%	0.00	32	25	78%	5.7
Association for the Country of Mububa	1986	404	20%	0.00	452	285	63%	7.1
Association of Camera Makers	325	21	6%	0.46	28	9	32%	9.4
Association of Cats and Magical Lights	2356	652	28%	0.18	420	337	80%	5.3
Association of Computer Maintenance	941	91	10%	0.03	113	56	50%	8.6
Association of Myths	62	30	48%	0.00	36	28	78%	7.0
A Star not a Tree?	229	69	30%	0.00	56	38	68%	5.2
Asteroid Rangers	194	70	36%	0.09	55	40	73%	7.3
Asteroids	720	133	18%	0.00	98	74	76%	6.6
Astro	536	175	33%	0.00	169	143	85%	4.1
Atlantis	571	105	18%	0.05	129	74	57%	6.6
A Towering Problem	2485	1221	49%	0.00	1224	1109	91%	2.0
A Trivial Pursuit	226	29	13%	0.43	12	5	42%	8.9
Attendance	24	9	38%	0.21	13	9	69%	6.5
Auto Completion	210	53	25%	0.05	57	41	72%	7.3
Automatic Trading	1137	351	31%	0.03	271	187	69%	4.9
Autori	24856	15613	63%	0.00	14055	13615	97%	1.3
Average Rank	454	173	38%	0.24	123	91	74%	5.8
Average Speed	1349	444	33%	0.00	455	374	82%	3.6
A Vicious Pikeman (Easy)	2893	939	32%	0.00	727	636	87%	3.2
A Vicious Pikeman (Hard)	1761	262	15%	0.01	298	158	53%	8.3
Avion	3604	2062	57%	0.00	1998	1920	96%	1.4
Avogadro	206	83	40%	0.02	82	62	76%	6.2
Avoiding Airports	800	147	18%	0.08	159	93	58%	6.5
Avoiding the Apocalypse	1029	401	39%	0.01	261	230	88%	4.2
Avoidland	816	412	50%	0.04	273	236	86%	3.6
A Walk Through The Forest	1568	513	33%	0.12	375	294	78%	5.1
Awkward Party	2597	1102	42%	0.01	966	848	88%	2.9
Azulejos	2888	644	22%	0.23	518	407	79%	4.7
BAAS	309	140	45%	0.01	79	67	85%	4.7
Babelfish	10619	4665	44%	0.01	3750	3339	89%	2.2
Baby Bites	4500	2289	51%	0.00	2169	2025	93%	1.7
Babylonian Numbers	1439	756	53%	0.00	764	686	90%	2.1
Baby Names	3499	474	14%	0.15	260	172	66%	5.6
Bachet's Game	3290	1542	47%	0.04	995	912	92%	2.6
Backpack Buddies	323	94	29%	0.04	74	57	77%	6.0
Backspace	12497	4592	37%	0.00	3599	3054	85%	2.9
Bacon, Eggs, and Spam	4410	2509	57%	0.00	2199	2048	93%	1.8
Baggage	337	112	33%	0.00	134	94	70%	6.0
Bag of Tiles	705	216	31%	0.10	174	124	71%	6.4
Bakice	104	43	41%	0.00	53	41	77%	5.9
Bakterije	190	22	12%	0.00	38	18	47%	8.9
Balanced Cut	280	19	7%	0.07	57	14	25%	9.6
Balanced Diet	1121	491	44%	0.00	432	360	83%	4.0
Balanced Diet	605	188	31%	0.01	174	130	75%	5.8
Ball Bearings	617	228	37%	0.00	240	197	82%	3.7
Balls and Needles	967	346	36%	0.08	194	182	94%	3.2
Ball Tricks	68	4	6%	0.30	4	3	75%	7.9