Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.02	785	3059	104	3%	9.1Hard	en
A Different List Game	0.00	353	9022	675	7%	8.9Hard	en
A List Game	0.00	5	17048	5120	30%	2.4Easy	en
A Real Challenge	0.00	5	26159	10414	40%	1.7Easy	en
AI Jeopardy	0.02	145	1168	173	15%	6.5Hard	en
Ace Arbiter	0.00	200	2202	472	21%	5.6Hard	en
All Just A Dream	0.02	248	3982	1032	26%	5.4Medium	en
All Pairs Shortest Path	0.00	427	22179	4386	20%	3.8Medium	en
Apparatus	0.01	288	991	268	27%	5.9Hard	en
Archaeological Recovery	0.02	2862	63	26	41%	6.5Hard	en
Assassins	0.01	232	907	254	28%	6.5Hard	en
Barking Up The Wrong Tree	0.00	2062	871	113	13%	9.2Hard	en
Best Before	0.00	304	1714	498	29%	3.7Medium	en
Best Compression Ever	0.00	5	3055	1395	46%	2.6Easy	en
Bilateral Projects	0.00	1487	526	152	29%	6.3Hard	en
Bling	0.09	2601	147	11	7%	8.4Hard	en
Calculator	0.00	5	4229	1501	35%	3.1Medium	en
Cars	0.00	826	555	75	14%	7.3Hard	en
Cat Coat Colors	0.00	1140	1162	344	30%	6.0Hard	en
Cat vs. Dog	0.00	351	2085	635	30%	5.0Medium	en
Catalan Numbers	0.00	5	4956	1868	38%	3.1Medium	en
Cheating Luck	0.00	615	680	173	25%	7.7Hard	en
Cheering Game	0.00	1080	410	140	34%	6.4Hard	en
Chinese Remainder	0.00	5	6405	1834	29%	3.4Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4531	1647	36%	3.2Medium	en
Chopping Wood	0.01	252	4717	1835	39%	3.3Medium	en
Closest Pair	0.05	572	9915	1890	19%	6.2Hard	en
Closest Pair (Uniform)	0.03	570	9002	2583	29%	4.3Medium	en
Collapse	0.03	405	1314	507	39%	3.2Medium	en
Color Codes	0.01	986	130	33	25%	8.0Hard	en
Convex Hull	0.01	596	16606	4442	27%	3.4Medium	en
DEX Save	0.00	451	217	80	37%	4.1Medium	en
Death and Taxes	0.00	235	2175	718	33%	3.1Medium	en
Deceptive Directions	0.03	681	1376	319	23%	6.1Hard	en
Disgruntled Judge	0.00	331	462	234	51%	3.5Medium	en
Dominant Strings	0.02	624	3122	358	11%	8.5Hard	en
Dungeon Dawdler	0.05	4889	243	24	10%	8.2Hard	en
Dyson Circle	0.01	151	338	125	37%	6.2Hard	en
Easter Eggs	0.17	1366	439	53	12%	8.9Hard	en
Eulerian Path	0.01	617	4931	1440	29%	4.4Medium	en
Event Planning	0.00	5	4117	1723	42%	2.4Easy	en
Exam Redistribution	0.00	90	2277	1200	53%	2.5Easy	en
Exponial	0.00	5	1497	288	19%	5.3Medium	en
Fenwick Tree	0.57	202	16383	4666	28%	3.6Medium	en
Fixing the Bugs	0.05	886	443	116	26%	6.8Hard	en
Fleecing the Raffle	0.00	76	2303	646	28%	4.0Medium	en
Flight Plan Evaluation	0.00	1619	307	83	27%	7.6Hard	en
Flight Safety	0.12	2728	116	13	11%	8.3Hard	en
Gaggle	0.08	540	159	52	33%	7.6Hard	en
Get Shorty	0.01	328	22737	4819	21%	3.1Medium	en
Graduation Guarantee	0.04	207	1321	430	33%	3.7Medium	en
Hot Hike	0.00	80	6961	3506	50%	1.8Easy	en
House of Cards	0.00	5	2514	889	35%	3.4Medium	en
Imperial Measurement	0.00	147	4109	1535	37%	2.5Easy	en
Interception	0.46	3717	148	18	12%	8.0Hard	en
Interval Cover	0.03	343	8485	1992	23%	5.2Medium	en
Just A Few More Triangles!	0.02	451	531	177	33%	6.0Hard	en
Kattis' Little Helpers	0.13	3568	108	31	29%	6.4Hard	en
Kitchen Combinatorics	0.00	403	1446	481	33%	4.7Medium	en
Knapsack	0.01	282	22211	5772	26%	3.5Medium	en
Ladder	0.00	5	22664	12080	53%	1.5Easy	en
Line Segment Distance	0.00	404	2589	1055	41%	3.5Medium	en
Line Segment Intersection	0.00	689	5540	1241	22%	5.8Hard	en
Linear Equation Solver	0.01	892	3756	1121	30%	5.1Medium	en
Linear Recurrences	0.03	476	1613	631	39%	4.7Medium	en
Lines Of Action	0.01	5234	59	3	5%	7.5Hard	en
Longest Increasing Subsequence	0.03	280	9341	3073	33%	3.9Medium	en
Maximum Flow	0.01	402	15753	4642	29%	4.0Medium	en
Maximum Number of Colinear Points	0.03	371	3158	1271	40%	3.0Medium	en
Meow Factor	0.00	5	4873	1232	25%	3.5Medium	en
Meow Factor 2	0.02	192	728	175	24%	5.7Hard	en
Methodic Multiplication	0.00	5	2927	1840	63%	1.5Easy	en
Minimum Cost Maximum Flow	0.01	1377	4404	1609	37%	4.7Medium	en
Minimum Cut	0.01	730	3528	1452	41%	3.1Medium	en
Minimum Spanning Tree	0.03	356	16924	4614	27%	3.1Medium	en
Modular Arithmetic	0.00	188	3919	1868	48%	2.7Easy	en
Moving to Nuremberg	0.08	798	570	141	25%	4.7Medium	en
Odometer Analysis	0.00	1111	147	11	7%	9.0Hard	en
Organising the Organisation	0.01	970	321	71	22%	5.3Medium	en
Partial Linear Equation Solver	0.01	1070	2185	429	20%	7.1Hard	en
Peer Streaming	0.04	1300	224	36	16%	6.3Hard	en
Pitch Performance	0.00	1205	151	40	26%	5.2Medium	en
Pizza Problems	0.06	933	295	56	19%	7.1Hard	en
Playlist	0.30	1251	973	134	14%	6.4Hard	en
Point in Polygon	0.00	378	5819	1570	27%	4.6Medium	en
Polygon Area	0.00	118	7524	3135	42%	2.0Easy	en
Polynomial Multiplication 1	0.00	120	3169	1768	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4421	1787	40%	5.1Medium	en
Power Signs	0.00	519	132	31	23%	6.9Hard	en
Primary Register	0.00	80	2104	1289	61%	2.4Easy	en
Prime Sieve	0.00	236	14346	4556	32%	4.2Medium	en
Proving Equivalences	0.02	740	6201	1425	23%	3.8Medium	en
Rational Arithmetic	0.00	64	7391	2318	31%	3.1Medium	en
Riddle of the Sphinx	0.00	127	871	301	35%	3.3Medium	en
SMS Typing	0.19	1722	1103	184	17%	8.4Hard	en
Shovelling Snow	0.01	1795	1355	153	11%	8.2Hard	en
Shovelling Snow	0.01	1138	494	82	17%	8.8Hard	en
Single source shortest path, negative weights	0.00	396	15247	3630	24%	3.1Medium	en
Single source shortest path, non-negative weights	0.01	331	29090	9181	32%	2.5Easy	en
Single source shortest path, time table	0.01	378	7766	2498	32%	2.7Easy	en

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