Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	14100	2240	16%	0.00	2909	1554	53%	6.0
10 Kinds of People	30217	6138	20%	0.01	5262	3748	71%	4.7
1's For All	699	140	20%	0.00	145	90	62%	6.4
2048	12316	5556	45%	0.00	5419	4600	85%	2.5
2, 4, 6, Greaaat	1220	174	14%	0.15	143	60	42%	8.3
3D Printed Statues	16809	7732	46%	0.00	7312	6533	89%	1.9
3D Printer	1141	182	16%	0.00	503	137	27%	9.0
3-Sided Dice	3073	249	8%	0.00	517	177	34%	8.7
4 thought	14287	4971	35%	0.00	4722	3990	84%	2.7
99 Problems	289	173	60%	0.00	170	164	96%	1.6
A1 Paper	7553	2340	31%	0.00	2320	1861	80%	3.5
Aa	272	143	53%	0.01	72	43	60%	6.1 - 7.8
Aaah!	40459	18933	47%	0.00	17155	15990	93%	1.6
Abandoned Animal	3036	691	23%	0.03	775	566	73%	5.7
ABC	23461	10668	45%	0.00	10168	9218	91%	1.9
Ab Initio	2599	422	16%	0.08	363	228	63%	7.4
Above Average	16200	6630	41%	0.00	6396	5724	89%	2.3
A+B Problem	10954	1057	10%	0.03	1560	509	33%	8.4
Abridged Reading	294	113	38%	0.00	110	86	78%	5.3
A Brief Gerrymander	582	115	20%	0.11	109	53	49%	8.8
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
Absurdistan Roads III	1956	564	29%	0.02	523	396	76%	5.8
Access Denied	780	210	27%	0.01	205	182	89%	3.5
Access Points	558	188	34%	0.01	181	140	77%	5.8
Accounting	3652	1072	29%	0.01	893	675	76%	3.3
A Classy Problem	14263	3804	27%	0.01	3292	2589	79%	3.9
ACM Contest Scoring	9465	5931	63%	0.00	5324	5030	94%	1.6
Ada Loveslaces	84	19	23%	0.01	24	17	71%	5.3
Add 'Em Up!	3184	755	24%	0.01	791	563	71%	4.9
Adding Words	17047	4268	25%	0.00	3901	3074	79%	3.7
Add Two Numbers	9453	5963	63%	0.00	5498	5273	96%	1.3
A Different List Game	7840	552	7%	0.00	1050	201	19%	9.3
A Different Problem	45755	16849	37%	0.00	15479	13392	87%	2.5
Adjoin the Networks	2984	756	25%	0.00	660	525	80%	5.9
Administrative Difficulties	2150	465	22%	0.02	436	309	71%	5.9
Ads	1061	158	15%	0.00	212	98	46%	5.0
Advanced Causal Measurements	130	41	32%	0.10	43	32	74%	7.4
Adventure Begins	413	131	32%	0.06	121	93	77%	6.5
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	4257	1590	37%	0.00	1169	1011	86%	3.3
A Flea on a Chessboard	1076	225	21%	0.01	226	160	71%	5.5
Agamemnon's Odyssey	145	40	28%	0.09	43	29	67%	5.7
A Horse Shoe-In	191	18	9%	0.27	25	11	44%	9.1
AI Jeopardy	629	84	13%	0.02	86	55	64%	7.0
Air Conditioned Minions	8760	2613	30%	0.00	2577	2021	78%	3.4
Airline Hub	2507	550	22%	0.01	498	297	60%	6.8
Airport Coffee	1545	300	19%	0.04	293	197	67%	7.1
Airport Construction	3918	485	12%	0.02	430	225	52%	8.0
Airport Logistics	79	23	29%	0.00	29	21	72%	7.3
Airports	719	222	31%	0.11	194	144	74%	5.7
Air Rally	110	1	1%	0.98	18	1	6%	8.5
Akcija	13961	6140	44%	0.00	5095	4564	90%	2.0
Aladin	909	104	11%	0.10	149	33	22%	9.0
Alchemy	181	36	20%	0.02	48	25	52%	9.1
Alchemy 101	1052	336	32%	0.05	244	200	82%	3.8
Alea iacta est	46	16	35%	0.19	21	15	71%	6.7
Alehouse	1262	468	37%	0.02	445	319	72%	5.1
Alex and Barb	1697	625	37%	0.00	711	566	80%	3.3
Alice in the Digital World	6736	1765	26%	0.01	1593	1269	80%	4.0
Alien Codebreaking	334	33	10%	0.59	63	18	29%	8.1
Alien Integers	1525	304	20%	0.00	390	278	71%	5.6
Alien Microwave	295	112	38%	0.00	147	105	71%	6.6
Alien Numbers	3261	1759	54%	0.00	1731	1588	92%	1.9
A List Game	12515	3761	30%	0.00	3650	3090	85%	3.0
All about that base	3603	1463	41%	0.00	1416	1210	85%	2.7
All Colourings	12	7	58%	0.13	9	7	78%	6.0
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 is Well	167	41	25%	0.02	42	34	81%	6.8
All Just A Dream	3327	936	28%	0.05	651	505	78%	5.3
All Kill	137	109	80%	0.00	63	55	87%	2.7
Alloys	1154	394	34%	0.00	420	345	82%	3.8
All Pairs Shortest Path	15632	3001	19%	0.00	1889	1368	72%	5.3
Almost Balanced	15	6	40%	0.27	9	5	56%	6.8
Almost Perfect	14963	3407	23%	0.00	3427	2743	80%	3.2
Almost Union-Find	13717	2248	16%	0.02	2009	1276	64%	5.7
Alphabet	3126	1601	51%	0.00	1546	1310	85%	3.0
Alphabet Animals	10782	1916	18%	0.00	1600	1128	70%	5.2
Alphabet Spam	12473	7843	63%	0.00	6664	6410	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
Altruistic Amphibians	625	178	28%	0.22	151	113	75%	5.4
Amalgamated Artichokes	5606	2531	45%	0.01	2222	1972	89%	2.5
Amanda Lounges	2133	622	29%	0.03	534	435	81%	5.6
A Mazing!	4203	1092	26%	0.09	448	335	75%	5.3
Amazing Adventures	577	157	27%	0.02	182	127	70%	6.9
Amazing Race	778	190	24%	0.29	171	130	76%	6.0
Ambiguous Result	305	72	24%	0.02	104	66	63%	7.2
Amsterdam Distance	2688	1358	51%	0.00	1331	1152	87%	2.5
A Multiplication Game	1622	656	40%	0.00	710	554	78%	4.3
Anagram Counting	5258	2096	40%	0.00	2048	1719	84%	3.2
AND Permutation	135	28	21%	0.22	43	20	47%	8.6
Andrew the Ant	592	183	31%	0.01	185	142	77%	5.2