Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.02	787	2783	94	3%	9.1Hard	en
A Different List Game	0.00	353	8976	672	7%	8.9Hard	en
A List Game	0.00	5	16831	5030	30%	2.6Easy	en
A Real Challenge	0.00	5	25433	10176	40%	1.8Easy	en
AI Jeopardy	0.02	145	1158	171	15%	6.6Hard	en
Ace Arbiter	0.00	200	2163	466	22%	5.5Hard	en
All Just A Dream	0.02	248	3965	1032	26%	5.4Medium	en
All Pairs Shortest Path	0.00	427	21876	4312	20%	4.0Medium	en
Apparatus	0.01	288	984	264	27%	6.0Hard	en
Archaeological Recovery	0.02	2862	61	25	41%	6.6Hard	en
Assassins	0.01	304	905	252	28%	6.6Hard	en
Barking Up The Wrong Tree	0.00	2062	801	112	14%	9.2Hard	en
Best Before	0.00	304	1701	492	29%	3.8Medium	en
Best Compression Ever	0.00	5	3041	1386	46%	2.6Easy	en
Bilateral Projects	0.00	1487	512	147	29%	6.4Hard	en
Bling	0.09	2601	138	11	8%	8.2Hard	en
Calculator	0.00	5	4196	1481	35%	3.2Medium	en
Cars	0.00	826	553	74	13%	7.7Hard	en
Cat Coat Colors	0.00	1140	1116	343	31%	6.0Hard	en
Cat vs. Dog	0.00	351	2062	629	31%	5.1Medium	en
Catalan Numbers	0.00	5	4931	1856	38%	3.1Medium	en
Cheating Luck	0.00	615	655	169	26%	7.9Hard	en
Cheering Game	0.00	1080	401	139	35%	6.7Hard	en
Chinese Remainder	0.00	5	6334	1795	28%	3.6Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4430	1604	36%	3.4Medium	en
Chopping Wood	0.01	276	4682	1819	39%	3.3Medium	en
Closest Pair	0.05	572	9784	1866	19%	6.4Hard	en
Closest Pair (Uniform)	0.03	570	8956	2569	29%	4.4Medium	en
Collapse	0.03	405	1308	501	38%	3.3Medium	en
Color Codes	0.01	986	127	32	25%	8.6Hard	en
Convex Hull	0.01	596	16398	4380	27%	3.6Medium	en
DEX Save	0.00	451	210	78	37%	4.1Medium	en
Death and Taxes	0.00	235	2164	716	33%	3.1Medium	en
Deceptive Directions	0.03	681	1372	317	23%	6.2Hard	en
Disgruntled Judge	0.00	331	459	232	51%	3.5Medium	en
Dominant Strings	0.02	624	3098	357	12%	8.6Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	332	122	37%	6.2Hard	en
Easter Eggs	0.17	1366	366	53	14%	8.9Hard	en
Eulerian Path	0.01	617	4918	1434	29%	4.5Medium	en
Event Planning	0.00	5	4088	1710	42%	2.4Easy	en
Exam Redistribution	0.00	90	2262	1198	53%	2.5Easy	en
Exponial	0.00	5	1478	282	19%	5.5Hard	en
Fenwick Tree	0.57	202	16252	4625	28%	3.6Medium	en
Fixing the Bugs	0.05	886	442	116	26%	6.9Hard	en
Fleecing the Raffle	0.00	76	2291	639	28%	4.0Medium	en
Flight Plan Evaluation	0.00	1619	292	83	28%	7.1Hard	en
Flight Safety	0.12	2728	103	13	13%	7.5Hard	en
Gaggle	0.08	540	158	52	33%	7.7Hard	en
Get Shorty	0.01	328	22706	4812	21%	3.1Medium	en
Graduation Guarantee	0.04	207	1313	427	33%	3.7Medium	en
Hot Hike	0.00	80	6873	3463	50%	1.9Easy	en
House of Cards	0.00	5	2511	886	35%	3.5Medium	en
Imperial Measurement	0.00	147	4091	1531	37%	2.5Easy	en
Interception	0.46	3717	137	18	13%	7.6Hard	en
Interval Cover	0.03	343	8427	1979	23%	5.2Medium	en
Just A Few More Triangles!	0.02	451	494	170	34%	6.1Hard	en
Kattis' Little Helpers	0.15	3568	90	18	20%	7.1Hard	en
Kitchen Combinatorics	0.00	403	1445	480	33%	4.8Medium	en
Knapsack	0.01	282	22066	5730	26%	3.6Medium	en
Ladder	0.00	5	22345	11957	54%	1.5Easy	en
Line Segment Distance	0.00	404	2505	1027	41%	3.6Medium	en
Line Segment Intersection	0.00	689	5363	1201	22%	6.1Hard	en
Linear Equation Solver	0.01	892	3745	1114	30%	5.2Medium	en
Linear Recurrences	0.03	476	1609	629	39%	4.8Medium	en
Lines Of Action	0.01	5234	49	3	6%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9289	3054	33%	3.8Medium	en
Maximum Flow	0.01	402	15709	4621	29%	4.1Medium	en
Maximum Number of Colinear Points	0.03	376	3092	1240	40%	3.1Medium	en
Meow Factor	0.00	5	4836	1221	25%	3.4Medium	en
Meow Factor 2	0.02	192	726	174	24%	5.8Hard	en
Methodic Multiplication	0.00	5	2897	1818	63%	1.5Easy	en
Minimum Cost Maximum Flow	0.01	1377	4373	1594	36%	4.9Medium	en
Minimum Cut	0.01	730	3460	1419	41%	3.2Medium	en
Minimum Spanning Tree	0.03	356	16779	4558	27%	3.2Medium	en
Modular Arithmetic	0.00	188	3874	1845	48%	2.8Medium	en
Moving to Nuremberg	0.08	798	558	136	24%	5.3Medium	en
Odometer Analysis	0.00	1111	128	4	3%	9.3Hard	en
Organising the Organisation	0.01	970	310	70	23%	5.6Hard	en
Partial Linear Equation Solver	0.01	1070	2176	426	20%	7.1Hard	en
Peer Streaming	0.04	1300	208	35	17%	6.9Hard	en
Pitch Performance	0.00	1205	148	38	26%	5.8Hard	en
Pizza Problems	0.06	1066	258	55	21%	6.9Hard	en
Playlist	0.30	1251	911	132	14%	6.8Hard	en
Point in Polygon	0.00	378	5796	1560	27%	4.7Medium	en
Polygon Area	0.00	118	7462	3108	42%	2.0Easy	en
Polynomial Multiplication 1	0.00	121	3129	1749	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4376	1751	40%	5.2Medium	en
Power Signs	0.00	519	129	30	23%	7.6Hard	en
Primary Register	0.00	80	2096	1284	61%	2.3Easy	en
Prime Sieve	0.00	236	14303	4545	32%	4.2Medium	en
Proving Equivalences	0.02	740	6156	1406	23%	3.9Medium	en
Rational Arithmetic	0.00	64	7356	2302	31%	3.1Medium	en
Riddle of the Sphinx	0.00	163	822	280	34%	3.1Medium	en
SMS Typing	0.19	1722	1078	184	17%	8.3Hard	en
Shovelling Snow	0.01	1795	1340	152	11%	8.3Hard	en
Shovelling Snow	0.01	2793	475	75	16%	8.9Hard	en
Single source shortest path, negative weights	0.00	396	15080	3579	24%	3.2Medium	en
Single source shortest path, non-negative weights	0.01	331	28933	9117	32%	2.6Easy	en
Single source shortest path, time table	0.01	378	7740	2481	32%	2.7Easy	en

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