Problems by Per Austrin – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
#exclude<scoring>	0.03	833	2296	80	3%	9.1Hard	en
A Different List Game	0.00	353	8834	636	7%	9.0Hard	en
A List Game	0.00	5	16415	4903	30%	2.8Medium	en
A Real Challenge	0.00	5	24557	9857	40%	1.8Easy	en
AI Jeopardy	0.02	145	1105	169	15%	6.5Hard	en
Ace Arbiter	0.00	200	2126	454	21%	5.5Hard	en
All Just A Dream	0.02	248	3866	1016	26%	5.5Hard	en
All Pairs Shortest Path	0.00	427	21415	4219	20%	4.3Medium	en
Apparatus	0.01	288	966	259	27%	6.1Hard	en
Archaeological Recovery	0.02	2862	60	25	42%	5.4Medium	en
Assassins	0.01	304	855	239	28%	6.7Hard	en
Barking Up The Wrong Tree	0.00	2062	765	112	15%	9.2Hard	en
Best Before	0.00	304	1622	472	29%	3.8Medium	en
Best Compression Ever	0.00	5	2961	1359	46%	2.6Easy	en
Bilateral Projects	0.00	1487	491	142	29%	6.7Hard	en
Bling	0.25	2601	69	4	6%	8.5Hard	en
Calculator	0.00	5	4007	1429	36%	3.1Medium	en
Cars	0.00	826	528	71	13%	7.8Hard	en
Cat Coat Colors	0.00	1140	1092	334	31%	6.1Hard	en
Cat vs. Dog	0.00	351	2012	604	30%	5.4Medium	en
Catalan Numbers	0.00	5	4860	1829	38%	3.2Medium	en
Cheating Luck	0.00	615	635	163	26%	8.0Hard	en
Cheering Game	0.00	1080	383	134	35%	7.3Hard	en
Chinese Remainder	0.00	5	6196	1732	28%	3.8Medium	en
Chinese Remainder Theorem (non-relatively prime moduli)	0.00	5	4255	1550	36%	3.5Medium	en
Chopping Wood	0.01	276	4568	1788	39%	3.2Medium	en
Closest Pair	0.05	572	9171	1779	19%	6.7Hard	en
Closest Pair (Uniform)	0.03	570	8714	2481	28%	4.6Medium	en
Collapse	0.03	405	1274	496	39%	3.3Medium	en
Color Codes	0.01	986	114	32	28%	8.6Hard	en
Convex Hull	0.01	596	15663	4146	26%	4.3Medium	en
DEX Save	0.00	451	180	73	41%	4.5Medium	en
Death and Taxes	0.00	235	2107	691	33%	3.3Medium	en
Deceptive Directions	0.03	681	1352	312	23%	6.2Hard	en
Disgruntled Judge	0.00	331	436	225	52%	3.6Medium	en
Dominant Strings	0.03	624	3045	344	11%	8.7Hard	en
Dungeon Dawdler	0.05	4889	230	24	10%	8.0Hard	en
Dyson Circle	0.01	151	316	120	38%	6.3Hard	en
Easter Eggs	0.17	1366	366	53	14%	8.8Hard	en
Eulerian Path	0.01	617	4751	1387	29%	4.7Medium	en
Event Planning	0.00	5	4000	1664	42%	2.5Easy	en
Exam Redistribution	0.00	90	2183	1178	54%	2.5Easy	en
Exponial	0.00	5	1353	263	19%	5.5Hard	en
Fenwick Tree	0.57	202	15888	4534	29%	3.6Medium	en
Fixing the Bugs	0.05	886	416	110	26%	7.0Hard	en
Fleecing the Raffle	0.00	76	2129	589	28%	4.3Medium	en
Flight Plan Evaluation	0.00	1619	277	81	29%	7.1Hard	en
Flight Safety	0.12	2728	90	13	14%	7.5Hard	en
Gaggle	0.08	540	143	52	36%	7.0Hard	en
Get Shorty	0.01	328	22609	4764	21%	3.2Medium	en
Graduation Guarantee	0.08	207	1259	417	33%	3.7Medium	en
Hot Hike	0.00	80	6638	3349	50%	1.9Easy	en
House of Cards	0.00	5	2427	859	35%	3.6Medium	en
Imperial Measurement	0.00	147	4024	1500	37%	2.7Easy	en
Interception	0.46	3717	121	15	12%	7.8Hard	en
Interval Cover	0.03	343	8272	1946	24%	5.2Medium	en
Just A Few More Triangles!	0.02	692	469	161	34%	6.2Hard	en
Kattis' Little Helpers	0.15	3568	71	16	23%	7.5Hard	en
Kitchen Combinatorics	0.00	403	1375	462	34%	5.0Medium	en
Knapsack	0.01	282	21337	5473	26%	4.6Medium	en
Ladder	0.00	5	22066	11846	54%	1.5Easy	en
Line Segment Distance	0.00	806	2284	927	41%	4.3Medium	en
Line Segment Intersection	0.00	689	4956	1109	22%	6.6Hard	en
Linear Equation Solver	0.01	892	3713	1104	30%	5.4Medium	en
Linear Recurrences	0.03	749	1573	619	39%	4.9Medium	en
Lines Of Action	0.01	5234	45	3	7%	7.1Hard	en
Longest Increasing Subsequence	0.03	280	9075	2956	33%	4.5Medium	en
Maximum Flow	0.01	402	15439	4541	29%	4.1Medium	en
Maximum Number of Colinear Points	0.04	376	2884	1139	39%	3.4Medium	en
Meow Factor	0.00	5	4759	1197	25%	3.5Medium	en
Meow Factor 2	0.02	192	687	169	25%	5.7Hard	en
Methodic Multiplication	0.00	5	2770	1741	63%	1.6Easy	en
Minimum Cost Maximum Flow	0.01	1377	4285	1573	37%	5.0Medium	en
Minimum Cut	0.01	730	3391	1389	41%	3.4Medium	en
Minimum Spanning Tree	0.03	356	16441	4432	27%	3.7Medium	en
Modular Arithmetic	0.00	198	3660	1751	48%	2.9Medium	en
Moving to Nuremberg	0.08	798	543	135	25%	5.4Medium	en
Odometer Analysis	0.00	1396	90	3	3%	9.4Hard	en
Organising the Organisation	0.01	970	296	69	23%	5.9Hard	en
Partial Linear Equation Solver	0.01	1070	2137	416	19%	7.3Hard	en
Peer Streaming	0.04	1300	195	35	18%	6.9Hard	en
Pitch Performance	0.00	1205	134	37	28%	5.9Hard	en
Pizza Problems	0.06	1066	233	52	22%	7.3Hard	en
Playlist	0.30	1251	797	112	14%	6.4Hard	en
Point in Polygon	0.00	378	5548	1489	27%	5.0Medium	en
Polygon Area	0.00	118	7217	2970	41%	2.2Easy	en
Polynomial Multiplication 1	0.00	121	3059	1705	56%	1.8Easy	en
Polynomial Multiplication 2	0.04	594	4316	1725	40%	5.5Hard	en
Power Signs	0.00	519	115	29	25%	7.8Hard	en
Primary Register	0.00	80	2013	1245	62%	2.4Easy	en
Prime Sieve	0.00	236	13988	4459	32%	4.3Medium	en
Proving Equivalences	0.02	740	5996	1358	23%	3.8Medium	en
Rational Arithmetic	0.00	64	6974	2201	32%	3.4Medium	en
Riddle of the Sphinx	0.00	163	687	257	37%	2.9Medium	en
SMS Typing	0.19	1722	1059	182	17%	8.4Hard	en
Shovelling Snow	0.01	1923	1323	151	11%	8.2Hard	en
Shovelling Snow	0.01	2893	461	74	16%	8.9Hard	en
Single source shortest path, negative weights	0.00	396	14602	3400	23%	3.6Medium	en
Single source shortest path, non-negative weights	0.01	331	27892	8817	32%	2.8Medium	en
Single source shortest path, time table	0.01	378	7639	2432	32%	2.8Medium	en

1 2