Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	1706	80	5%	9.0Hard	en
A Different List Game	0.00	353	7947	592	7%	9.0Hard	en
A List Game	0.00	5	15570	4630	30%	3.0Medium	en
A Real Challenge	0.00	5	22373	9124	41%	2.1Easy	en
AI Jeopardy	0.02	145	1014	159	16%	6.4Hard	en
Ace Arbiter	0.00	200	2003	448	22%	5.1Medium	en
All Just A Dream	0.05	248	3677	980	27%	5.4Medium	en
All Pairs Shortest Path	0.00	427	20504	4016	20%	4.7Medium	en
Apparatus	0.01	288	853	238	28%	6.1Hard	en
Archaeological Recovery	0.02	2862	52	18	35%	6.0Hard	en
Assassins	0.01	304	808	221	27%	6.7Hard	en
Barking Up The Wrong Tree	0.00	2062	674	108	16%	9.4Hard	en
Best Before	0.00	304	1485	436	29%	3.8Medium	en
Best Compression Ever	0.00	5	2741	1273	46%	2.5Easy	en
Bilateral Projects	0.00	1487	464	136	29%	6.4Hard	en
Bling	0.25	2601	59	4	7%	8.5Hard	en
Calculator	0.00	5	3845	1387	36%	3.1Medium	en
Cars	0.00	848	501	65	13%	7.7Hard	en
Cat Coat Colors	0.00	1140	815	284	35%	3.1Medium	en
Cat vs. Dog	0.00	351	1806	526	29%	5.9Hard	en
Catalan Numbers	0.00	5	4551	1678	37%	3.2Medium	en
Cheating Luck	0.00	615	617	162	26%	8.0Hard	en
Cheering Game	0.00	1080	363	133	37%	7.3Hard	en
Chinese Remainder	0.00	5	5929	1600	27%	4.1Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4117	1469	36%	3.6Medium	en
Chopping Wood	0.01	276	4252	1718	40%	3.1Medium	en
Closest Pair	0.06	891	8461	1598	19%	6.5Hard	en
Closest Pair (Uniform)	0.05	570	8489	2374	28%	4.6Medium	en
Collapse	0.03	405	1230	482	39%	3.3Medium	en
Color Codes	0.01	986	97	30	31%	8.6Hard	en
Convex Hull	0.01	596	15195	4015	26%	4.2Medium	en
DEX Save	0.00	600	161	69	43%	4.5Medium	en
Death and Taxes	0.00	235	1961	647	33%	3.1Medium	en
Deceptive Directions	0.03	681	1341	311	23%	6.2Hard	en
Disgruntled Judge	0.00	331	410	215	52%	3.6Medium	en
Dominant Strings	0.03	624	2987	339	11%	8.7Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	288	117	41%	6.1Hard	en
Easter Eggs	0.17	1366	360	53	15%	8.8Hard	en
Eulerian Path	0.01	617	4651	1362	29%	4.7Medium	en
Event Planning	0.00	5	3905	1626	42%	2.5Easy	en
Exam Redistribution	0.00	90	2058	1120	54%	2.3Easy	en
Exponial	0.00	5	1288	250	19%	5.3Medium	en
Fenwick Tree	0.57	202	14621	4078	28%	4.0Medium	en
Fixing the Bugs	0.05	886	395	109	28%	7.2Hard	en
Fleecing the Raffle	0.00	76	2011	572	28%	4.1Medium	en
Flight Plan Evaluation	0.00	1619	202	79	39%	6.8Hard	en
Flight Safety	0.12	2728	80	13	16%	7.5Hard	en
Gaggle	0.08	540	128	51	40%	7.0Hard	en
Get Shorty	0.01	328	22066	4630	21%	3.3Medium	en
Graduation Guarantee	0.08	207	1242	415	33%	3.6Medium	en
Hot Hike	0.00	80	6183	3155	51%	1.9Easy	en
House of Cards	0.00	5	2072	721	35%	3.5Medium	en
Imperial Measurement	0.00	147	3367	1344	40%	2.0Easy	en
Interception	0.46	3717	104	12	12%	8.4Hard	en
Interval Cover	0.03	343	7847	1877	24%	5.2Medium	en
Just A Few More Triangles!	0.02	692	444	157	35%	6.1Hard	en
Kattis' Little Helpers	0.19	3721	48	10	21%	7.6Hard	en
Kitchen Combinatorics	0.00	403	1301	434	33%	5.0Medium	en
Knapsack	0.01	338	20345	5245	26%	4.4Medium	en
Ladder	0.00	5	20722	11404	55%	1.5Easy	en
Line Segment Distance	0.00	806	2208	902	41%	4.2Medium	en
Line Segment Intersection	0.00	689	4805	1079	22%	6.6Hard	en
Linear Equation Solver	0.01	892	3576	1066	30%	5.7Hard	en
Linear Recurrences	0.03	749	1393	540	39%	5.0Medium	en
Lines Of Action	0.01	5234	44	3	7%	7.0Hard	en
Longest Increasing Subsequence	0.03	280	8621	2825	33%	4.9Medium	en
Maximum Flow	0.01	402	14638	4189	29%	4.1Medium	en
Maximum Number of Colinear Points	0.04	376	2817	1110	39%	3.6Medium	en
Meow Factor	0.00	5	4520	1113	25%	3.4Medium	en
Meow Factor 2	0.02	192	626	147	23%	5.8Hard	en
Methodic Multiplication	0.00	5	2674	1684	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4138	1540	37%	4.8Medium	en
Minimum Cut	0.01	730	3266	1325	41%	3.5Medium	en
Minimum Spanning Tree	0.04	356	15933	4221	26%	3.8Medium	en
Modular Arithmetic	0.00	202	3404	1635	48%	2.9Medium	en
Moving to Nuremberg	0.08	798	531	134	25%	5.6Hard	en
Odometer Analysis	0.00	3094	57	2	4%	9.0Hard	en
Organising the Organisation	0.01	1045	255	55	22%	5.9Hard	en
Partial Linear Equation Solver	0.01	1452	2073	393	19%	7.4Hard	en
Peer Streaming	0.04	1300	185	35	19%	6.9Hard	en
Pitch Performance	0.00	1205	123	36	29%	5.9Hard	en
Pizza Problems	0.06	1066	224	52	23%	7.4Hard	en
Playlist	0.30	1251	747	103	14%	7.0Hard	en
Point in Polygon	0.00	378	5429	1451	27%	5.1Medium	en
Polygon Area	0.00	118	7079	2904	41%	2.2Easy	en
Polynomial Multiplication 1	0.00	121	2983	1653	55%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4190	1662	40%	5.8Hard	en
Power Signs	0.00	519	94	25	27%	8.3Hard	en
Primary Register	0.00	80	1920	1196	62%	2.3Easy	en
Prime Sieve	0.00	266	13081	4273	33%	4.6Medium	en
Proving Equivalences	0.02	740	5483	1249	23%	3.5Medium	en
Rational Arithmetic	0.00	64	6738	2111	31%	3.4Medium	en
Riddle of the Sphinx	0.00	283	380	126	33%	3.5Medium	en
SMS Typing	0.19	1722	1009	177	18%	8.4Hard	en
Shovelling Snow	0.01	1923	1297	141	11%	8.1Hard	en
Shovelling Snow	0.01	2893	387	54	14%	8.8Hard	en
Single source shortest path, negative weights	0.01	396	14113	3250	23%	3.6Medium	en
Single source shortest path, non-negative weights	0.02	331	27078	8506	31%	3.1Medium	en
Single source shortest path, time table	0.01	378	7453	2370	32%	3.0Medium	en

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