Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	1683	78	5%	9.0Hard	en
A Different List Game	0.00	353	7926	590	7%	9.0Hard	en
A List Game	0.00	5	15496	4614	30%	2.9Medium	en
A Real Challenge	0.00	5	22121	9039	41%	2.1Easy	en
AI Jeopardy	0.02	145	1006	158	16%	6.3Hard	en
Ace Arbiter	0.00	200	1974	441	22%	5.1Medium	en
All Just A Dream	0.05	248	3673	978	27%	5.4Medium	en
All Pairs Shortest Path	0.00	427	20379	3994	20%	4.8Medium	en
Apparatus	0.01	288	847	234	28%	6.1Hard	en
Archaeological Recovery	0.02	2862	50	16	32%	6.0Hard	en
Assassins	0.01	304	807	220	27%	6.7Hard	en
Barking Up The Wrong Tree	0.00	2062	595	99	17%	9.4Hard	en
Best Before	0.00	304	1479	435	29%	3.8Medium	en
Best Compression Ever	0.00	5	2733	1272	47%	2.5Easy	en
Bilateral Projects	0.00	1487	463	135	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	493	64	13%	7.6Hard	en
Cat Coat Colors	0.00	1140	809	281	35%	3.1Medium	en
Cat vs. Dog	0.00	351	1797	524	29%	5.9Hard	en
Catalan Numbers	0.00	5	4541	1672	37%	3.2Medium	en
Cheating Luck	0.00	615	616	161	26%	8.0Hard	en
Cheering Game	0.00	1080	362	133	37%	7.3Hard	en
Chinese Remainder	0.00	5	5888	1591	27%	4.1Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4101	1463	36%	3.7Medium	en
Chopping Wood	0.01	276	4244	1713	40%	3.1Medium	en
Closest Pair	0.06	891	8406	1585	19%	6.6Hard	en
Closest Pair (Uniform)	0.05	570	8473	2366	28%	4.7Medium	en
Collapse	0.03	405	1223	480	39%	3.3Medium	en
Color Codes	0.01	986	93	30	32%	8.0Hard	en
Convex Hull	0.01	596	15107	3994	26%	4.2Medium	en
DEX Save	0.00	600	161	69	43%	4.5Medium	en
Death and Taxes	0.00	235	1947	644	33%	3.1Medium	en
Deceptive Directions	0.03	681	1341	311	23%	6.2Hard	en
Disgruntled Judge	0.00	331	395	212	54%	3.5Medium	en
Dominant Strings	0.03	624	2986	338	11%	8.7Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.02	151	286	115	40%	6.1Hard	en
Easter Eggs	0.17	1366	359	52	14%	8.8Hard	en
Eulerian Path	0.01	617	4640	1360	29%	4.6Medium	en
Event Planning	0.00	5	3896	1621	42%	2.5Easy	en
Exam Redistribution	0.00	90	2046	1112	54%	2.3Easy	en
Exponial	0.00	5	1272	249	20%	5.3Medium	en
Fenwick Tree	0.57	202	14468	4045	28%	4.0Medium	en
Fixing the Bugs	0.05	886	394	108	27%	7.3Hard	en
Fleecing the Raffle	0.00	76	1955	562	29%	4.2Medium	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	127	50	39%	7.0Hard	en
Get Shorty	0.01	328	22045	4619	21%	3.3Medium	en
Graduation Guarantee	0.08	207	1241	414	33%	3.7Medium	en
Hot Hike	0.00	80	6148	3138	51%	1.8Easy	en
House of Cards	0.00	5	2071	720	35%	3.5Medium	en
Imperial Measurement	0.00	147	3330	1330	40%	2.0Easy	en
Interception	0.46	3717	104	12	12%	8.4Hard	en
Interval Cover	0.03	343	7833	1872	24%	5.3Medium	en
Just A Few More Triangles!	0.02	692	443	156	35%	6.2Hard	en
Kattis' Little Helpers	0.19	3721	48	10	21%	7.6Hard	en
Kitchen Combinatorics	0.00	403	1284	431	34%	5.0Medium	en
Knapsack	0.01	338	20151	5203	26%	4.2Medium	en
Ladder	0.00	5	20561	11341	55%	1.5Easy	en
Line Segment Distance	0.00	806	2199	900	41%	4.2Medium	en
Line Segment Intersection	0.00	689	4724	1062	22%	6.7Hard	en
Linear Equation Solver	0.01	892	3532	1058	30%	5.8Hard	en
Linear Recurrences	0.03	749	1378	534	39%	5.0Medium	en
Lines Of Action	0.01	5234	44	3	7%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	8599	2814	33%	4.8Medium	en
Maximum Flow	0.01	402	14580	4169	29%	4.1Medium	en
Maximum Number of Colinear Points	0.04	376	2816	1109	39%	3.6Medium	en
Meow Factor	0.00	5	4517	1111	25%	3.3Medium	en
Meow Factor 2	0.02	192	621	146	24%	5.6Hard	en
Methodic Multiplication	0.00	5	2665	1680	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4110	1522	37%	4.8Medium	en
Minimum Cut	0.01	730	3244	1317	41%	3.5Medium	en
Minimum Spanning Tree	0.04	356	15857	4188	26%	3.8Medium	en
Modular Arithmetic	0.00	202	3388	1626	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	2061	389	19%	7.4Hard	en
Peer Streaming	0.04	1300	185	35	19%	6.9Hard	en
Pitch Performance	0.00	1205	117	36	31%	5.0Medium	en
Pizza Problems	0.06	1066	224	52	23%	7.4Hard	en
Playlist	0.30	1251	746	102	14%	7.2Hard	en
Point in Polygon	0.00	378	5425	1447	27%	5.1Medium	en
Polygon Area	0.00	118	7072	2898	41%	2.2Easy	en
Polynomial Multiplication 1	0.00	121	2970	1648	55%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4141	1642	40%	5.9Hard	en
Power Signs	0.00	519	94	25	27%	8.3Hard	en
Primary Register	0.00	80	1911	1192	62%	2.3Easy	en
Prime Sieve	0.00	266	13045	4264	33%	4.6Medium	en
Proving Equivalences	0.02	740	5462	1242	23%	3.4Medium	en
Rational Arithmetic	0.00	64	6738	2111	31%	3.4Medium	en
Riddle of the Sphinx	0.00	283	364	124	34%	3.5Medium	en
SMS Typing	0.19	1722	1007	175	17%	8.4Hard	en
Shovelling Snow	0.01	1923	1296	140	11%	8.2Hard	en
Shovelling Snow	0.01	2893	369	54	15%	8.7Hard	en
Single source shortest path, negative weights	0.01	396	14029	3221	23%	3.7Medium	en
Single source shortest path, non-negative weights	0.02	331	27007	8463	31%	3.2Medium	en
Single source shortest path, time table	0.01	378	7405	2355	32%	3.1Medium	en

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