Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.02	787	2702	93	3%	9.1Hard	en
A Different List Game	0.00	353	8951	671	7%	8.9Hard	en
A List Game	0.00	5	16777	5011	30%	2.6Easy	en
A Real Challenge	0.00	5	25329	10134	40%	1.8Easy	en
AI Jeopardy	0.02	145	1156	171	15%	6.5Hard	en
Ace Arbiter	0.00	200	2150	460	21%	5.5Hard	en
All Just A Dream	0.02	248	3951	1030	26%	5.4Medium	en
All Pairs Shortest Path	0.00	427	21755	4291	20%	4.1Medium	en
Apparatus	0.01	288	983	263	27%	6.1Hard	en
Archaeological Recovery	0.02	2862	61	25	41%	6.6Hard	en
Assassins	0.01	304	900	250	28%	6.6Hard	en
Barking Up The Wrong Tree	0.00	2062	801	112	14%	9.2Hard	en
Best Before	0.00	304	1693	487	29%	3.8Medium	en
Best Compression Ever	0.00	5	3019	1382	46%	2.6Easy	en
Bilateral Projects	0.00	1487	512	147	29%	6.5Hard	en
Bling	0.09	2601	138	11	8%	8.2Hard	en
Calculator	0.00	5	4189	1477	35%	3.2Medium	en
Cars	0.00	826	553	74	13%	7.7Hard	en
Cat Coat Colors	0.00	1140	1113	341	31%	6.0Hard	en
Cat vs. Dog	0.00	351	2062	629	31%	5.1Medium	en
Catalan Numbers	0.00	5	4929	1854	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	6297	1779	28%	3.6Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4382	1593	36%	3.4Medium	en
Chopping Wood	0.01	276	4674	1817	39%	3.3Medium	en
Closest Pair	0.05	572	9748	1859	19%	6.4Hard	en
Closest Pair (Uniform)	0.03	570	8944	2566	29%	4.5Medium	en
Collapse	0.03	405	1296	500	39%	3.3Medium	en
Color Codes	0.01	986	127	32	25%	8.6Hard	en
Convex Hull	0.01	596	16293	4345	27%	3.7Medium	en
DEX Save	0.00	451	197	77	39%	4.5Medium	en
Death and Taxes	0.00	235	2157	712	33%	3.2Medium	en
Deceptive Directions	0.03	681	1371	316	23%	6.2Hard	en
Disgruntled Judge	0.00	331	457	231	51%	3.6Medium	en
Dominant Strings	0.02	624	3096	355	11%	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	4895	1433	29%	4.5Medium	en
Event Planning	0.00	5	4074	1702	42%	2.4Easy	en
Exam Redistribution	0.00	90	2254	1196	53%	2.5Easy	en
Exponial	0.00	5	1436	275	19%	5.5Hard	en
Fenwick Tree	0.57	202	16160	4590	28%	3.7Medium	en
Fixing the Bugs	0.05	886	442	116	26%	6.9Hard	en
Fleecing the Raffle	0.00	76	2235	622	28%	4.2Medium	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	22676	4796	21%	3.2Medium	en
Graduation Guarantee	0.08	207	1300	422	32%	3.7Medium	en
Hot Hike	0.00	80	6853	3454	50%	1.8Easy	en
House of Cards	0.00	5	2509	885	35%	3.5Medium	en
Imperial Measurement	0.00	147	4086	1529	37%	2.6Easy	en
Interception	0.46	3717	137	18	13%	7.6Hard	en
Interval Cover	0.03	343	8418	1977	23%	5.3Medium	en
Just A Few More Triangles!	0.02	692	491	168	34%	6.2Hard	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	21905	5685	26%	3.8Medium	en
Ladder	0.00	5	22290	11946	54%	1.5Easy	en
Line Segment Distance	0.00	404	2493	1020	41%	3.7Medium	en
Line Segment Intersection	0.00	689	5324	1195	22%	6.1Hard	en
Linear Equation Solver	0.01	892	3745	1114	30%	5.2Medium	en
Linear Recurrences	0.03	749	1595	623	39%	4.8Medium	en
Lines Of Action	0.01	5234	49	3	6%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9260	3042	33%	4.0Medium	en
Maximum Flow	0.01	402	15650	4611	29%	4.2Medium	en
Maximum Number of Colinear Points	0.03	376	3085	1236	40%	3.2Medium	en
Meow Factor	0.00	5	4829	1218	25%	3.5Medium	en
Meow Factor 2	0.02	192	726	174	24%	5.8Hard	en
Methodic Multiplication	0.00	5	2845	1778	62%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4366	1592	36%	4.9Medium	en
Minimum Cut	0.01	730	3437	1413	41%	3.4Medium	en
Minimum Spanning Tree	0.03	356	16741	4540	27%	3.3Medium	en
Modular Arithmetic	0.00	188	3822	1827	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%	5.7Hard	en
Partial Linear Equation Solver	0.01	1070	2176	426	20%	7.2Hard	en
Peer Streaming	0.04	1300	207	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	870	130	15%	6.4Hard	en
Point in Polygon	0.00	378	5779	1554	27%	4.8Medium	en
Polygon Area	0.00	118	7432	3097	42%	2.1Easy	en
Polynomial Multiplication 1	0.00	121	3120	1743	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4364	1745	40%	5.3Medium	en
Power Signs	0.00	519	129	30	23%	7.6Hard	en
Primary Register	0.00	80	2090	1282	61%	2.3Easy	en
Prime Sieve	0.00	236	14255	4526	32%	4.2Medium	en
Proving Equivalences	0.02	740	6137	1400	23%	3.9Medium	en
Rational Arithmetic	0.00	64	7344	2298	31%	3.1Medium	en
Riddle of the Sphinx	0.00	163	808	279	35%	3.0Medium	en
SMS Typing	0.19	1722	1077	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	14971	3531	24%	3.3Medium	en
Single source shortest path, non-negative weights	0.01	331	28834	9071	31%	2.6Easy	en
Single source shortest path, time table	0.01	378	7727	2474	32%	2.7Easy	en

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