Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	10313	1554	15%	0.00	2047	1063	52%	5.9
2048	9728	4488	46%	0.00	4308	3699	86%	2.3
3D Printed Statues	12647	5826	46%	0.00	5418	4864	90%	1.9
3D Printer	923	151	16%	0.00	376	115	31%	8.8
3-Sided Dice	2703	218	8%	0.00	438	155	35%	8.7
4 thought	11079	3749	34%	0.00	3647	3078	84%	2.4
A1 Paper	6238	1877	30%	0.00	1849	1478	80%	3.4
Aaah!	32950	15342	47%	0.00	13756	12846	93%	1.5
ABC	17077	7818	46%	0.00	7362	6684	91%	1.7
Above Average	11401	4725	41%	0.00	4548	4077	90%	2.0
Abstract Art	419	134	32%	0.00	112	86	77%	5.7
Abstract Painting	601	243	40%	0.00	209	165	79%	4.5
Absurdistan Roads II	672	229	34%	0.00	226	151	67%	6.9
ACM Contest Scoring	7850	4908	63%	0.00	4377	4135	94%	1.4
Adding Words	12740	3123	25%	0.00	3002	2346	78%	3.7
A Different List Game	7404	512	7%	0.00	956	186	19%	9.2
A Different Problem	37110	13735	37%	0.00	12564	10892	87%	2.2
Adjoin the Networks	2316	614	27%	0.00	519	413	80%	5.6
Ads	787	70	9%	0.00	135	47	35%	6.5
Adventures in Moving -- Part IV	1645	363	22%	0.00	315	263	83%	4.5
A Favourable Ending	1860	504	27%	0.00	471	368	78%	4.4
A Feast For Cats	3046	1150	38%	0.00	821	702	86%	3.8
Air Conditioned Minions	6113	1771	29%	0.00	1846	1410	76%	4.1
Airport Logistics	68	16	24%	0.00	23	16	70%	7.0
Akcija	8779	3962	45%	0.00	3606	3223	89%	2.0
Alex and Barb	811	279	34%	0.00	319	249	78%	3.1
Alien Numbers	2762	1451	53%	0.00	1418	1297	91%	1.9
A List Game	10105	3073	30%	0.00	2938	2496	85%	2.5
All about that base	3081	1232	40%	0.00	1198	1014	85%	2.9
All Different Directions	1587	721	45%	0.00	682	606	89%	2.5
Allergy Test	618	156	25%	0.00	197	97	49%	7.9
All Friends	1105	210	19%	0.00	191	103	54%	8.8
All Kill	60	47	78%	0.00	38	32	84%	4.0
Alloys	582	198	34%	0.00	214	179	84%	4.0
All Pairs Shortest Path	12490	2346	19%	0.00	1484	1065	72%	5.3
Almost Perfect	10265	2380	23%	0.00	2469	1967	80%	3.0
Alphabet	2184	1115	51%	0.00	1065	901	85%	3.1
Alphabet Animals	3202	944	29%	0.00	883	724	82%	3.2
Alphabet Spam	9716	6033	62%	0.00	5044	4847	96%	1.4
Alternating Current	648	632	98%	0.00	106	104	98%	1.3 - 7.8
Alternative Anagram	222	78	35%	0.00	65	52	80%	6.3
Alternative Bracket Notation	213	91	43%	0.00	98	81	83%	5.0
Amsterdam Distance	2079	1015	49%	0.00	1036	881	85%	2.7
A Multiplication Game	1079	440	41%	0.00	467	365	78%	4.2
Anagram Counting	4394	1740	40%	0.00	1686	1421	84%	2.7
A New Adventure	1316	199	15%	0.00	206	146	71%	5.8
A New Alphabet	12708	5738	45%	0.00	5338	4932	92%	1.7
An I for an Eye	1013	302	30%	0.00	340	260	76%	4.5
Another Brick in the Wall	3856	1970	51%	0.00	1917	1756	92%	1.9
Another Candies	9269	2569	28%	0.00	2621	2190	84%	2.5
Another Coin Weighing Puzzle	478	138	29%	0.00	115	99	86%	4.5
Another Dice Game	117	76	65%	0.00	74	64	86%	4.2
Antenna Placement	179	75	42%	0.00	61	46	75%	6.7
Anthony and Cora	1058	288	27%	0.00	332	227	68%	5.7
Anthony and Diablo	3985	1462	37%	0.00	1470	1285	87%	2.4
Ants	4451	2019	45%	0.00	1654	1446	87%	2.6
Apaxiaaaaaaaaaaaans!	15656	9352	60%	0.00	8349	7967	95%	1.5
Apostrophe Catastrophe	137	32	23%	0.00	36	23	64%	6.9
Appalling Architecture	856	248	29%	0.00	221	183	83%	4.1
A Prize No One Can Win	5844	1777	30%	0.00	1453	1278	88%	2.4
Aquarium Tank	575	162	28%	0.00	158	123	78%	5.9
A Question of Ingestion	2004	471	24%	0.00	419	325	78%	5.5
A Random Problem	357	91	25%	0.00	85	60	71%	6.1
A Rational Sequence	1967	662	34%	0.00	713	520	73%	5.1
A Rational Sequence 2	2584	1906	74%	0.00	1685	1620	96%	1.5
A Rational Sequence (Take 3)	1145	928	81%	0.00	776	742	96%	1.7
Architecture	188	106	56%	0.00	108	100	93%	2.8
Arctic Network	2532	901	36%	0.00	687	568	83%	4.1
A Real Challenge	10252	5020	49%	0.00	4748	4459	94%	1.5
Are You Listening?	2261	718	32%	0.00	681	614	90%	2.5
Arithmetic	3614	1082	30%	0.00	1116	882	79%	3.6
Army Strength (Easy)	4160	2113	51%	0.00	1969	1774	90%	2.2
Around and Around We Go	59	16	27%	0.00	27	15	56%	7.2
Around the Track	286	37	13%	0.00	58	27	47%	9.0
Arrangement	314	274	87%	0.00	225	224	100%	1.3 - 1.9
Array of Discord	1794	342	19%	0.00	363	253	70%	5.5
ASCII Addition	1461	844	58%	0.00	753	711	94%	1.8
ASCII Figure Rotation	2285	754	33%	0.00	779	661	85%	3.2
As Easy as CAB	1208	112	9%	0.00	270	88	33%	9.1
Aspen Avenue	2208	621	28%	0.00	411	276	67%	6.0
Association for Computing Machinery	2846	1085	38%	0.00	977	862	88%	2.7
Association for Cool Machineries (Part 2)	47	28	60%	0.00	32	25	78%	5.7
Association for the Country of Mububa	1987	404	20%	0.00	453	285	63%	7.2
Association of Myths	62	30	48%	0.00	36	28	78%	7.0
A Star not a Tree?	234	71	30%	0.00	57	39	68%	5.3
Asteroids	720	133	18%	0.00	98	74	76%	6.5
Astro	556	182	33%	0.00	176	149	85%	4.1
Astrological Sign	793	329	41%	0.00	335	299	89%	1.6
A Towering Problem	2551	1258	49%	0.00	1261	1145	91%	2.0
Autori	25773	16236	63%	0.00	14573	14117	97%	1.2
Average Speed	1404	470	33%	0.00	475	395	83%	3.4
A Vicious Pikeman (Easy)	2930	956	33%	0.00	741	649	88%	3.2
Avion	3833	2197	57%	0.00	2122	2039	96%	1.4
Baby Bites	4636	2367	51%	0.00	2251	2099	93%	1.7
Babylonian Numbers	1488	789	53%	0.00	797	717	90%	2.0
Backspace	13149	4842	37%	0.00	3798	3227	85%	2.7
Bacon, Eggs, and Spam	4477	2554	57%	0.00	2243	2089	93%	1.8
Baggage	344	116	34%	0.00	138	98	71%	5.5
Bakice	104	43	41%	0.00	53	41	77%	5.9
Bakterije	190	22	12%	0.00	38	18	47%	8.9