Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	2413	80	3%	9.1Hard	en
A Different List Game	0.00	353	8844	636	7%	9.0Hard	en
A List Game	0.00	5	16473	4917	30%	2.7Easy	en
A Real Challenge	0.00	5	24753	9946	40%	1.7Easy	en
AI Jeopardy	0.02	145	1105	169	15%	6.5Hard	en
Ace Arbiter	0.00	200	2127	455	21%	5.5Hard	en
All Just A Dream	0.02	248	3919	1023	26%	5.5Hard	en
All Pairs Shortest Path	0.00	427	21477	4231	20%	4.4Medium	en
Apparatus	0.01	288	966	259	27%	6.1Hard	en
Archaeological Recovery	0.02	2862	60	25	42%	5.4Medium	en
Assassins	0.01	304	856	240	28%	6.6Hard	en
Barking Up The Wrong Tree	0.00	2062	765	112	15%	9.2Hard	en
Best Before	0.00	304	1623	472	29%	3.9Medium	en
Best Compression Ever	0.00	5	2971	1361	46%	2.5Easy	en
Bilateral Projects	0.00	1487	491	142	29%	6.7Hard	en
Bling	0.25	2601	69	4	6%	8.5Hard	en
Calculator	0.00	5	4020	1437	36%	3.0Medium	en
Cars	0.00	826	528	71	13%	7.8Hard	en
Cat Coat Colors	0.00	1140	1092	334	31%	6.1Hard	en
Cat vs. Dog	0.00	351	2027	616	30%	5.1Medium	en
Catalan Numbers	0.00	5	4863	1831	38%	3.2Medium	en
Cheating Luck	0.00	615	635	163	26%	8.0Hard	en
Cheering Game	0.00	1080	383	134	35%	7.3Hard	en
Chinese Remainder	0.00	5	6206	1738	28%	3.8Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4272	1559	36%	3.4Medium	en
Chopping Wood	0.01	276	4569	1788	39%	3.3Medium	en
Closest Pair	0.05	572	9472	1800	19%	6.7Hard	en
Closest Pair (Uniform)	0.03	570	8740	2496	29%	4.5Medium	en
Collapse	0.03	405	1274	496	39%	3.3Medium	en
Color Codes	0.01	986	114	32	28%	8.6Hard	en
Convex Hull	0.01	596	15842	4190	26%	4.3Medium	en
DEX Save	0.00	451	180	73	41%	4.6Medium	en
Death and Taxes	0.00	235	2117	697	33%	3.3Medium	en
Deceptive Directions	0.03	681	1352	312	23%	6.2Hard	en
Disgruntled Judge	0.00	331	436	225	52%	3.6Medium	en
Dominant Strings	0.02	624	3069	352	11%	8.6Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	317	121	38%	6.3Hard	en
Easter Eggs	0.17	1366	366	53	14%	8.8Hard	en
Eulerian Path	0.01	617	4751	1387	29%	4.7Medium	en
Event Planning	0.00	5	4015	1674	42%	2.4Easy	en
Exam Redistribution	0.00	90	2185	1180	54%	2.5Easy	en
Exponial	0.00	5	1361	264	19%	5.5Hard	en
Fenwick Tree	0.57	202	15898	4542	29%	3.7Medium	en
Fixing the Bugs	0.05	886	417	111	27%	6.9Hard	en
Fleecing the Raffle	0.00	76	2131	591	28%	4.3Medium	en
Flight Plan Evaluation	0.00	1619	277	81	29%	7.1Hard	en
Flight Safety	0.12	2728	90	13	14%	7.5Hard	en
Gaggle	0.08	540	143	52	36%	7.0Hard	en
Get Shorty	0.01	328	22617	4767	21%	3.3Medium	en
Graduation Guarantee	0.08	207	1260	418	33%	3.7Medium	en
Hot Hike	0.00	80	6650	3357	50%	1.9Easy	en
House of Cards	0.00	5	2440	863	35%	3.5Medium	en
Imperial Measurement	0.00	147	4025	1501	37%	2.6Easy	en
Interception	0.46	3717	121	15	12%	7.8Hard	en
Interval Cover	0.03	343	8272	1946	24%	5.2Medium	en
Just A Few More Triangles!	0.02	692	469	161	34%	6.2Hard	en
Kattis' Little Helpers	0.15	3568	71	16	23%	7.6Hard	en
Kitchen Combinatorics	0.00	403	1375	462	34%	5.0Medium	en
Knapsack	0.01	282	21402	5503	26%	4.5Medium	en
Ladder	0.00	5	22089	11852	54%	1.5Easy	en
Line Segment Distance	0.00	404	2385	974	41%	3.9Medium	en
Line Segment Intersection	0.00	689	5104	1138	22%	6.3Hard	en
Linear Equation Solver	0.01	892	3718	1105	30%	5.4Medium	en
Linear Recurrences	0.03	749	1573	619	39%	4.9Medium	en
Lines Of Action	0.01	5234	45	3	7%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9080	2958	33%	4.6Medium	en
Maximum Flow	0.01	402	15500	4569	29%	4.1Medium	en
Maximum Number of Colinear Points	0.04	376	2908	1152	40%	3.4Medium	en
Meow Factor	0.00	5	4759	1197	25%	3.5Medium	en
Meow Factor 2	0.02	192	687	169	25%	5.7Hard	en
Methodic Multiplication	0.00	5	2773	1744	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4306	1576	37%	5.0Medium	en
Minimum Cut	0.01	730	3399	1392	41%	3.4Medium	en
Minimum Spanning Tree	0.03	356	16473	4443	27%	3.6Medium	en
Modular Arithmetic	0.00	198	3708	1780	48%	2.8Medium	en
Moving to Nuremberg	0.08	798	543	135	25%	5.4Medium	en
Odometer Analysis	0.00	1396	99	3	3%	9.5Hard	en
Organising the Organisation	0.01	970	296	69	23%	5.9Hard	en
Partial Linear Equation Solver	0.01	1070	2142	418	20%	7.3Hard	en
Peer Streaming	0.04	1300	195	35	18%	6.9Hard	en
Pitch Performance	0.00	1205	134	37	28%	5.9Hard	en
Pizza Problems	0.06	1066	233	52	22%	7.3Hard	en
Playlist	0.30	1251	797	112	14%	6.4Hard	en
Point in Polygon	0.00	378	5623	1504	27%	4.9Medium	en
Polygon Area	0.00	118	7300	3010	41%	2.2Easy	en
Polynomial Multiplication 1	0.00	121	3062	1708	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4321	1727	40%	5.4Medium	en
Power Signs	0.00	519	115	29	25%	7.8Hard	en
Primary Register	0.00	80	2015	1246	62%	2.4Easy	en
Prime Sieve	0.00	236	14033	4477	32%	4.1Medium	en
Proving Equivalences	0.02	740	6016	1365	23%	3.9Medium	en
Rational Arithmetic	0.00	64	7239	2267	31%	3.2Medium	en
Riddle of the Sphinx	0.00	163	696	260	37%	3.0Medium	en
SMS Typing	0.19	1722	1059	182	17%	8.4Hard	en
Shovelling Snow	0.01	1923	1323	151	11%	8.2Hard	en
Shovelling Snow	0.01	2893	461	74	16%	8.9Hard	en
Single source shortest path, negative weights	0.00	396	14655	3409	23%	3.6Medium	en
Single source shortest path, non-negative weights	0.01	331	27991	8879	32%	2.7Easy	en
Single source shortest path, time table	0.01	378	7652	2435	32%	2.8Medium	en

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