Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	2083	80	4%	9.1Hard	en
A Different List Game	0.00	353	8792	636	7%	9.0Hard	en
A List Game	0.00	5	16235	4843	30%	3.1Medium	en
A Real Challenge	0.00	5	24041	9703	40%	1.9Easy	en
AI Jeopardy	0.02	145	1093	169	15%	6.5Hard	en
Ace Arbiter	0.00	200	2099	453	22%	5.3Medium	en
All Just A Dream	0.05	248	3839	1008	26%	5.5Hard	en
All Pairs Shortest Path	0.00	427	21226	4154	20%	4.8Medium	en
Apparatus	0.01	288	959	258	27%	6.2Hard	en
Archaeological Recovery	0.02	2862	59	24	41%	5.4Medium	en
Assassins	0.01	304	845	238	28%	6.7Hard	en
Barking Up The Wrong Tree	0.00	2062	758	112	15%	9.2Hard	en
Best Before	0.00	304	1616	472	29%	3.9Medium	en
Best Compression Ever	0.00	5	2933	1357	46%	2.5Easy	en
Bilateral Projects	0.00	1487	484	141	29%	6.7Hard	en
Bling	0.25	2601	63	4	6%	8.4Hard	en
Calculator	0.00	5	3991	1425	36%	3.1Medium	en
Cars	0.00	826	522	71	14%	7.7Hard	en
Cat Coat Colors	0.00	1140	1085	334	31%	6.1Hard	en
Cat vs. Dog	0.00	351	1902	560	29%	6.0Hard	en
Catalan Numbers	0.00	5	4845	1826	38%	3.3Medium	en
Cheating Luck	0.00	615	629	163	26%	8.0Hard	en
Cheering Game	0.00	1080	377	134	36%	7.2Hard	en
Chinese Remainder	0.00	5	6161	1718	28%	3.8Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4229	1537	36%	3.6Medium	en
Chopping Wood	0.01	276	4554	1782	39%	3.2Medium	en
Closest Pair	0.05	572	8857	1719	19%	6.6Hard	en
Closest Pair (Uniform)	0.03	570	8662	2460	28%	4.6Medium	en
Collapse	0.03	405	1266	495	39%	3.4Medium	en
Color Codes	0.01	986	108	32	30%	8.6Hard	en
Convex Hull	0.01	596	15538	4109	26%	4.3Medium	en
DEX Save	0.00	451	173	72	42%	4.6Medium	en
Death and Taxes	0.00	235	2016	664	33%	3.3Medium	en
Deceptive Directions	0.03	681	1346	312	23%	6.3Hard	en
Disgruntled Judge	0.00	331	422	222	53%	3.7Medium	en
Dominant Strings	0.03	624	3022	339	11%	8.7Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	310	120	39%	6.3Hard	en
Easter Eggs	0.17	1366	360	53	15%	8.8Hard	en
Eulerian Path	0.01	617	4741	1385	29%	4.6Medium	en
Event Planning	0.00	5	3981	1656	42%	2.5Easy	en
Exam Redistribution	0.00	90	2168	1173	54%	2.5Easy	en
Exponial	0.00	5	1341	261	19%	5.5Hard	en
Fenwick Tree	0.57	202	15718	4485	29%	4.0Medium	en
Fixing the Bugs	0.05	886	410	110	27%	7.0Hard	en
Fleecing the Raffle	0.00	76	2123	589	28%	4.3Medium	en
Flight Plan Evaluation	0.00	1619	247	80	32%	7.4Hard	en
Flight Safety	0.12	2728	84	13	15%	7.4Hard	en
Gaggle	0.08	540	137	52	38%	6.9Hard	en
Get Shorty	0.01	328	22589	4757	21%	3.3Medium	en
Graduation Guarantee	0.08	207	1253	417	33%	3.7Medium	en
Hot Hike	0.00	80	6587	3306	50%	2.0Easy	en
House of Cards	0.00	5	2393	851	36%	3.6Medium	en
Imperial Measurement	0.00	147	4013	1499	37%	2.6Easy	en
Interception	0.46	3717	115	15	13%	7.8Hard	en
Interval Cover	0.03	343	8246	1936	23%	5.4Medium	en
Just A Few More Triangles!	0.02	692	463	161	35%	6.2Hard	en
Kattis' Little Helpers	0.15	3568	65	16	25%	7.5Hard	en
Kitchen Combinatorics	0.00	403	1367	461	34%	5.0Medium	en
Knapsack	0.01	282	21119	5412	26%	4.7Medium	en
Ladder	0.00	5	21904	11790	54%	1.5Easy	en
Line Segment Distance	0.00	806	2251	916	41%	4.1Medium	en
Line Segment Intersection	0.00	689	4919	1098	22%	6.6Hard	en
Linear Equation Solver	0.01	892	3700	1103	30%	5.4Medium	en
Linear Recurrences	0.03	749	1541	604	39%	4.9Medium	en
Lines Of Action	0.01	5234	44	3	7%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9023	2933	33%	4.6Medium	en
Maximum Flow	0.01	402	15342	4516	29%	4.0Medium	en
Maximum Number of Colinear Points	0.04	376	2858	1128	39%	3.5Medium	en
Meow Factor	0.00	5	4751	1196	25%	3.4Medium	en
Meow Factor 2	0.02	192	675	167	25%	5.6Hard	en
Methodic Multiplication	0.00	5	2745	1727	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4233	1573	37%	4.9Medium	en
Minimum Cut	0.01	730	3379	1384	41%	3.4Medium	en
Minimum Spanning Tree	0.03	356	16399	4419	27%	3.7Medium	en
Modular Arithmetic	0.00	198	3617	1726	48%	3.0Medium	en
Moving to Nuremberg	0.08	798	537	135	25%	5.4Medium	en
Odometer Analysis	0.00	1396	84	3	4%	9.4Hard	en
Organising the Organisation	0.01	970	290	69	24%	5.9Hard	en
Partial Linear Equation Solver	0.01	1070	2131	416	20%	7.3Hard	en
Peer Streaming	0.04	1300	189	35	19%	6.9Hard	en
Pitch Performance	0.00	1205	129	37	29%	5.9Hard	en
Pizza Problems	0.06	1066	228	52	23%	7.3Hard	en
Playlist	0.30	1251	760	106	14%	6.6Hard	en
Point in Polygon	0.00	378	5501	1476	27%	5.0Medium	en
Polygon Area	0.00	118	7202	2961	41%	2.3Easy	en
Polynomial Multiplication 1	0.00	121	3047	1701	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4307	1723	40%	5.5Hard	en
Power Signs	0.00	519	109	29	27%	7.8Hard	en
Primary Register	0.00	80	1997	1239	62%	2.4Easy	en
Prime Sieve	0.00	251	13861	4429	32%	4.4Medium	en
Proving Equivalences	0.02	740	5841	1311	22%	4.1Medium	en
Rational Arithmetic	0.00	64	6905	2173	31%	3.5Medium	en
Riddle of the Sphinx	0.00	163	676	252	37%	3.0Medium	en
SMS Typing	0.19	1722	1053	182	17%	8.3Hard	en
Shovelling Snow	0.01	1923	1311	147	11%	8.2Hard	en
Shovelling Snow	0.01	2893	444	70	16%	8.8Hard	en
Single source shortest path, negative weights	0.00	396	14526	3374	23%	3.6Medium	en
Single source shortest path, non-negative weights	0.01	331	27768	8772	32%	2.7Easy	en
Single source shortest path, time table	0.01	378	7624	2424	32%	2.9Medium	en

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