Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	14130	2246	16%	0.00	2917	1560	53%	5.9
1's For All	734	143	19%	0.00	150	93	62%	6.6
2048	12348	5569	45%	0.00	5427	4609	85%	2.4
3D Printed Statues	16831	7743	46%	0.00	7322	6542	89%	1.9
3D Printer	1144	183	16%	0.00	504	137	27%	9.0
3-Sided Dice	3090	251	8%	0.00	518	178	34%	8.7
4 thought	14299	4974	35%	0.00	4727	3993	84%	2.8
99 Problems	374	215	57%	0.00	211	202	96%	1.6
A1 Paper	7561	2345	31%	0.00	2325	1866	80%	3.3
Aaah!	40491	18952	47%	0.00	17172	16006	93%	1.6
ABC	23497	10685	45%	0.00	10186	9234	91%	1.9
Above Average	16229	6642	41%	0.00	6411	5736	89%	2.2
Abridged Reading	295	114	39%	0.00	111	87	78%	5.3
Abstract Art	473	156	33%	0.00	133	96	72%	7.1
Abstract Painting	1344	521	39%	0.00	458	362	79%	4.5
Absurdistan Roads II	724	244	34%	0.00	248	164	66%	6.9
ACM Contest Scoring	9469	5935	63%	0.00	5328	5034	94%	1.6
Adding Words	17062	4275	25%	0.00	3905	3077	79%	3.6
Add Two Numbers	9531	6002	63%	0.00	5535	5310	96%	1.3
A Different List Game	7844	552	7%	0.00	1051	201	19%	9.3
A Different Problem	45812	16865	37%	0.00	15500	13407	86%	2.6
Adjoin the Networks	2990	758	25%	0.00	662	527	80%	5.9
Ads	1061	158	15%	0.00	212	98	46%	5.0
Adventures in Moving -- Part IV	1871	415	22%	0.00	362	295	81%	5.0
A Favourable Ending	2342	630	27%	0.00	585	451	77%	4.7
A Feast For Cats	4259	1592	37%	0.00	1171	1013	87%	3.3
Air Conditioned Minions	8774	2615	30%	0.00	2581	2023	78%	3.4
Airport Logistics	79	23	29%	0.00	29	21	72%	7.3
Akcija	13973	6146	44%	0.00	5099	4569	90%	2.0
Alex and Barb	1699	626	37%	0.00	713	567	80%	3.4
Alien Integers	1554	309	20%	0.00	395	282	71%	5.6
Alien Microwave	295	112	38%	0.00	147	105	71%	6.6
Alien Numbers	3266	1762	54%	0.00	1734	1591	92%	1.9
A List Game	12526	3768	30%	0.00	3656	3097	85%	3.0
All about that base	3604	1464	41%	0.00	1417	1211	85%	2.7
All Different Directions	1889	913	48%	0.00	865	781	90%	2.3
Allergy Test	700	187	27%	0.00	233	122	52%	7.8
All Friends	1293	245	19%	0.00	230	125	54%	8.7
All in the Family	218	45	21%	0.00	65	43	66%	5.1
All Kill	144	110	76%	0.00	64	56	88%	2.7
Alloys	1157	395	34%	0.00	421	346	82%	3.8
All Pairs Shortest Path	15685	3008	19%	0.00	1893	1372	72%	5.4
Almost Perfect	14982	3409	23%	0.00	3430	2745	80%	3.3
Alphabet	3178	1622	51%	0.00	1548	1311	85%	3.0
Alphabet Animals	10788	1917	18%	0.00	1602	1129	70%	5.2
Alphabet Spam	12491	7854	63%	0.00	6676	6421	96%	1.4
Alternating Current	723	702	97%	0.00	132	126	95%	1.4 - 8.4
Alternative Anagram	279	89	32%	0.00	83	59	71%	7.3
Alternative Bracket Notation	248	107	43%	0.00	114	94	82%	5.3
Alto Singing	139	55	40%	0.00	55	50	91%	3.8
Amsterdam Distance	2706	1363	50%	0.00	1334	1153	86%	2.6
A Multiplication Game	1632	660	40%	0.00	714	558	78%	4.2
Anagram Counting	5302	2100	40%	0.00	2052	1723	84%	3.1
A New Adventure	1674	243	15%	0.00	239	169	71%	6.3
A New Alphabet	15552	7110	46%	0.00	6635	6117	92%	1.7
An I for an Eye	1566	489	31%	0.00	554	424	77%	4.2
Another Brick in the Wall	5049	2580	51%	0.00	2527	2301	91%	2.0
Another Candies	11766	3316	28%	0.00	3337	2806	84%	2.7
Another Coin Weighing Puzzle	814	232	29%	0.00	156	126	81%	6.6
Another Dice Game	155	92	59%	0.00	93	78	84%	4.6
Antenna Placement	244	96	39%	0.00	79	58	73%	7.7
Anthony and Cora	1337	333	25%	0.00	381	266	70%	5.6
Anthony and Diablo	4834	1785	37%	0.00	1819	1584	87%	2.6
Ants	5620	2629	47%	0.00	2058	1827	89%	2.3
Apaxiaaaaaaaaaaaans!	20558	12465	61%	0.00	11153	10651	95%	1.3
Apostrophe Catastrophe	149	39	26%	0.00	39	26	67%	6.6
Appalling Architecture	948	288	30%	0.00	258	216	84%	4.3
A Prize No One Can Win	6698	2226	33%	0.00	1851	1648	89%	2.2
Aquarium Tank	621	184	30%	0.00	181	140	77%	5.5
A Question of Ingestion	2254	512	23%	0.00	471	360	76%	5.8
A Random Problem	405	106	26%	0.00	96	69	72%	6.8
A Rank Problem	425	229	54%	0.00	228	206	90%	2.5
A Rational Sequence	2276	793	35%	0.00	833	614	74%	5.3
A Rational Sequence 2	3002	2237	75%	0.00	1967	1889	96%	1.5
A Rational Sequence (Take 3)	1539	1241	81%	0.00	1050	1007	96%	1.7
Arboriculture	65	41	63%	0.00	22	20	91%	4.5 - 7.8
Archimedes	41	9	22%	0.00	10	8	80%	4.6
Architecture	584	313	54%	0.00	293	264	90%	2.6
Arctic Network	3243	1089	34%	0.00	824	681	83%	4.7
A Real Challenge	12529	6236	50%	0.00	5910	5567	94%	1.5
Are You Listening?	3225	1085	34%	0.00	1021	929	91%	2.3
Arithmetic	4481	1337	30%	0.00	1361	1070	79%	4.2
Arithmetic Decoding	363	202	56%	0.00	171	162	95%	2.3
Arithmetic Functions	643	391	61%	0.00	397	375	94%	1.7
Arm Coordination	541	402	74%	0.00	345	335	97%	1.7
ARMPIT Computations	25	14	56%	0.00	13	11	85%	5.2
Army Strength (Easy)	4868	2474	51%	0.00	2319	2089	90%	2.1
Around and Around We Go	60	16	27%	0.00	28	15	54%	7.3
Around the Track	310	40	13%	0.00	68	30	44%	9.4
Arrangement	1582	1324	84%	0.00	1146	1115	97%	1.2 - 1.6
Array of Discord	4365	912	21%	0.00	803	603	75%	4.8
Array Smoothening	949	915	96%	0.00	237	237	100%	1.3 - 3.0
ASCII Addition	1687	1023	61%	0.00	930	878	94%	1.8
ASCII Figure Rotation	2742	920	34%	0.00	960	812	85%	3.4
As Easy as CAB	1472	147	10%	0.00	313	117	37%	8.9
Aspen Avenue	2442	679	28%	0.00	477	317	66%	6.7
Association for Computing Machinery	3095	1200	39%	0.00	1070	943	88%	2.7
Association for Cool Machineries (Part 2)	55	31	56%	0.00	37	28	76%	5.5
Association for the Country of Mububa	2135	455	21%	0.00	488	310	64%	7.3
Association of Myths	79	42	53%	0.00	50	40	80%	6.0