Problems by Per Austrin – Kattis, Kattis

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Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	2490	80	3%	9.1Hard	en
A Different List Game	0.00	353	8853	636	7%	9.0Hard	en
A List Game	0.00	5	16509	4937	30%	2.7Easy	en
A Real Challenge	0.00	5	24868	9979	40%	1.7Easy	en
AI Jeopardy	0.02	145	1109	170	15%	6.5Hard	en
Ace Arbiter	0.00	200	2134	457	21%	5.5Hard	en
All Just A Dream	0.02	248	3931	1027	26%	5.5Hard	en
All Pairs Shortest Path	0.00	427	21510	4241	20%	4.3Medium	en
Apparatus	0.01	288	969	259	27%	6.1Hard	en
Archaeological Recovery	0.02	2862	61	25	41%	6.5Hard	en
Assassins	0.01	304	859	240	28%	6.6Hard	en
Barking Up The Wrong Tree	0.00	2062	774	112	14%	9.2Hard	en
Best Before	0.00	304	1631	474	29%	3.9Medium	en
Best Compression Ever	0.00	5	2979	1364	46%	2.6Easy	en
Bilateral Projects	0.00	1487	494	142	29%	6.7Hard	en
Bling	0.25	2601	72	4	6%	8.5Hard	en
Calculator	0.00	5	4036	1445	36%	3.0Medium	en
Cars	0.00	826	531	71	13%	7.7Hard	en
Cat Coat Colors	0.00	1140	1096	335	31%	6.1Hard	en
Cat vs. Dog	0.00	351	2049	626	31%	5.1Medium	en
Catalan Numbers	0.00	5	4870	1835	38%	3.2Medium	en
Cheating Luck	0.00	615	638	163	26%	8.0Hard	en
Cheering Game	0.00	1080	386	134	35%	7.3Hard	en
Chinese Remainder	0.00	5	6237	1745	28%	3.7Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4283	1564	37%	3.4Medium	en
Chopping Wood	0.01	276	4626	1800	39%	3.3Medium	en
Closest Pair	0.05	572	9558	1819	19%	6.5Hard	en
Closest Pair (Uniform)	0.03	570	8848	2530	29%	4.5Medium	en
Collapse	0.03	405	1277	496	39%	3.3Medium	en
Color Codes	0.01	986	117	32	27%	8.6Hard	en
Convex Hull	0.01	596	15911	4226	27%	4.1Medium	en
DEX Save	0.00	451	183	73	40%	4.6Medium	en
Death and Taxes	0.00	235	2135	701	33%	3.3Medium	en
Deceptive Directions	0.03	681	1356	313	23%	6.2Hard	en
Disgruntled Judge	0.00	331	439	225	51%	3.6Medium	en
Dominant Strings	0.02	624	3072	352	11%	8.6Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	322	122	38%	6.2Hard	en
Easter Eggs	0.17	1366	366	53	14%	8.8Hard	en
Eulerian Path	0.01	617	4757	1388	29%	4.7Medium	en
Event Planning	0.00	5	4019	1675	42%	2.4Easy	en
Exam Redistribution	0.00	90	2191	1182	54%	2.5Easy	en
Exponial	0.00	5	1365	265	19%	5.5Hard	en
Fenwick Tree	0.57	202	15936	4553	29%	3.7Medium	en
Fixing the Bugs	0.05	886	420	111	26%	6.9Hard	en
Fleecing the Raffle	0.00	76	2135	593	28%	4.3Medium	en
Flight Plan Evaluation	0.00	1619	280	81	29%	7.2Hard	en
Flight Safety	0.12	2728	93	13	14%	7.5Hard	en
Gaggle	0.08	540	146	52	36%	7.0Hard	en
Get Shorty	0.01	328	22623	4770	21%	3.2Medium	en
Graduation Guarantee	0.08	207	1265	419	33%	3.7Medium	en
Hot Hike	0.00	80	6705	3375	50%	1.9Easy	en
House of Cards	0.00	5	2471	873	35%	3.5Medium	en
Imperial Measurement	0.00	147	4029	1502	37%	2.6Easy	en
Interception	0.46	3717	123	15	12%	7.9Hard	en
Interval Cover	0.03	343	8279	1948	24%	5.2Medium	en
Just A Few More Triangles!	0.02	692	471	161	34%	6.2Hard	en
Kattis' Little Helpers	0.15	3568	75	16	21%	7.7Hard	en
Kitchen Combinatorics	0.00	403	1377	462	34%	5.0Medium	en
Knapsack	0.01	282	21462	5520	26%	4.5Medium	en
Ladder	0.00	5	22125	11866	54%	1.5Easy	en
Line Segment Distance	0.00	404	2408	988	41%	3.8Medium	en
Line Segment Intersection	0.00	689	5177	1157	22%	6.2Hard	en
Linear Equation Solver	0.01	892	3725	1106	30%	5.4Medium	en
Linear Recurrences	0.03	749	1580	621	39%	4.9Medium	en
Lines Of Action	0.01	5234	46	3	7%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9119	2973	33%	4.5Medium	en
Maximum Flow	0.01	402	15509	4574	29%	4.2Medium	en
Maximum Number of Colinear Points	0.04	376	2957	1171	40%	3.4Medium	en
Meow Factor	0.00	5	4771	1200	25%	3.5Medium	en
Meow Factor 2	0.02	192	689	169	25%	5.7Hard	en
Methodic Multiplication	0.00	5	2808	1756	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4320	1584	37%	5.0Medium	en
Minimum Cut	0.01	730	3408	1397	41%	3.4Medium	en
Minimum Spanning Tree	0.03	356	16568	4462	27%	3.5Medium	en
Modular Arithmetic	0.00	198	3738	1792	48%	2.8Medium	en
Moving to Nuremberg	0.08	798	545	135	25%	5.4Medium	en
Odometer Analysis	0.00	1396	103	3	3%	9.4Hard	en
Organising the Organisation	0.01	970	298	69	23%	5.9Hard	en
Partial Linear Equation Solver	0.01	1070	2145	418	19%	7.3Hard	en
Peer Streaming	0.04	1300	197	35	18%	6.9Hard	en
Pitch Performance	0.00	1205	136	37	27%	5.9Hard	en
Pizza Problems	0.06	1066	235	52	22%	7.3Hard	en
Playlist	0.30	1251	807	113	14%	6.4Hard	en
Point in Polygon	0.00	378	5671	1523	27%	4.9Medium	en
Polygon Area	0.00	118	7352	3044	41%	2.1Easy	en
Polynomial Multiplication 1	0.00	121	3068	1711	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4324	1728	40%	5.4Medium	en
Power Signs	0.00	519	117	29	25%	7.8Hard	en
Primary Register	0.00	80	2020	1247	62%	2.4Easy	en
Prime Sieve	0.00	236	14063	4489	32%	4.2Medium	en
Proving Equivalences	0.02	740	6064	1377	23%	4.0Medium	en
Rational Arithmetic	0.00	64	7288	2281	31%	3.2Medium	en
Riddle of the Sphinx	0.00	163	696	260	37%	3.0Medium	en
SMS Typing	0.19	1722	1061	182	17%	8.4Hard	en
Shovelling Snow	0.01	1923	1327	151	11%	8.2Hard	en
Shovelling Snow	0.01	2893	463	74	16%	8.9Hard	en
Single source shortest path, negative weights	0.00	396	14725	3425	23%	3.7Medium	en
Single source shortest path, non-negative weights	0.01	331	28466	8946	31%	2.8Medium	en
Single source shortest path, time table	0.01	378	7673	2449	32%	2.8Medium	en

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