Problems by Johan Sannemo – Kattis, Kattis

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Horse in Ambush	0.00	411	54	19	35%	9.0Hard	en
Hubtown	0.13	1830	119	68	57%	8.4Hard	en
IP over Avian Carriers	0.00	32	54	14	26%	3.5 - 8.4Hard	en
Icy Itinerary	0.08	540	94	59	63%	7.5Hard	en
Infinite Slides	0.00	199	125	109	87%	3.8Medium	en
Inheritance	0.00	82	231	209	90%	2.8Medium	en
Interactive Tic-Tac-Toe	0.00	542	120	63	52%	1.4 - 5.7Hard	en sv
Inverse Totient	0.30	938	24	12	50%	7.8Hard	en
IsItHalloween.com	0.00	29	12702	12171	96%	1.3Easy	en
Job DNA	0.35	1610	63	33	52%	3.3 - 7.2Hard	en sv
Job Switching	0.01	95	579	513	89%	2.5Easy	en sv
Juggling	0.00	245	80	37	46%	6.7Hard	da de en
Just a Minute	0.00	78	3029	2846	94%	2.4Easy	en
Keep Calm And Carry Off	0.01	499	243	157	65%	7.2Hard	en
Knight Packing	0.00	6	6575	6347	97%	1.3Easy	en
Logic Functions	0.00	96	1014	943	93%	1.6Easy	en
Logland	0.02	116	208	166	80%	5.7Hard	en
Longest Prime Sum	0.00	6	975	865	89%	2.2Easy	en
Longest path in a DAG	0.01	472	224	187	83%	3.9Medium	en
Magic Show	0.00	771	14	7	50%	5.2Medium	en sv
Marathon	0.00	226	57	41	72%	7.5Hard	en
Massive Card Game	0.02	102	1187	1055	89%	2.5Easy	en
Mate in One	0.00	2886	47	31	66%	8.1Hard	en
Maximum Clique	0.00	314	162	106	65%	2.0 - 5.4Medium	en
Minimal Fibonacci Sums	0.00	82	598	538	90%	2.0Easy	en sv
Ministry of Magic	0.06	489	161	119	74%	6.5Hard	en
Mixing Drinks	0.02	272	78	60	77%	5.9Hard	en
Moonfrost Canyon	0.02	593	29	19	66%	2.4 - 5.3Medium	en
Multiplication Table	0.00	72	468	371	79%	2.4 - 2.9Medium	en
Mutexes	0.21	3445	23	4	17%	2.2 - 8.8Hard	en
Mårten's DFS	0.03	514	143	98	69%	4.1 - 4.9Medium	en sv
Mårten's Theorem	0.02	889	275	178	65%	6.6Hard	en
N-sum	0.00	15	11361	10890	96%	1.2Easy	en
Number Plates	0.09	720	19	7	37%	3.9 - 6.9Hard	en sv
Odd A's, Even B's	0.00	64	231	193	84%	3.4Medium	en
Odd Echo	0.00	6	13199	12276	93%	1.2Easy	en
Paint Buckets	0.03	414	95	75	79%	4.1Medium	en
Pairing Socks	0.01	73	3373	2922	87%	2.0Easy	en
Pitch Performance	0.00	1205	47	37	79%	5.5Hard	en
Pokémon Ice Maze	0.10	820	117	80	68%	6.5Hard	en
Popularity Contest	0.01	72	877	823	94%	1.8Easy	en
Positive Divisors	0.00	95	427	352	82%	2.7Easy	en
Primality	0.00	34	390	242	62%	2.3 - 5.1Medium	en
Prime Count	0.02	446	258	83	32%	3.0 - 8.1Hard	en
Problem Classification	0.00	250	642	570	89%	2.8Medium	en
Product Divisors	0.09	373	113	82	73%	5.9Hard	en
Reactivity Series	0.00	368	816	718	88%	2.9Medium	en
Sailing Friends	0.01	191	410	376	92%	2.1Easy	en
Sequential Manufacturing	0.00	50	304	261	86%	3.2Medium	en
Short Sell	0.00	73	414	350	85%	3.7Medium	en
Shortest Composite Sum	0.00	28	248	207	83%	3.6Medium	en
Solving for Carrots	0.00	6	35083	33675	96%	1.2Easy	en
Speaking of Which	0.00	161	176	103	59%	6.8Hard	en
Streaming Services	0.02	1293	14	7	50%	5.9 - 6.5Hard	en
String Hashing	0.04	145	885	624	71%	5.3Medium	en
Subcommittees	0.00	6	100	77	77%	3.7Medium	en
Surveillance	0.19	1196	19	6	32%	3.6 - 6.7Hard	en
Teacher Evaluation	0.00	87	805	691	86%	2.9Medium	en
The Apple Game	0.00	36	111	42	38%	6.8 - 8.9Hard	en sv
The Coloring Game	0.00	238	40	26	65%	4.7 - 5.8Hard	en sv
Tom and Jerry	0.00	580	160	98	61%	7.2Hard	en
Train Tickets	0.09	1699	50	25	50%	7.8Hard	en
Triangle Area	0.00	15	12915	12375	96%	1.2Easy	en
Triangle Drama	0.00	105	203	187	92%	2.6Easy	en
Triforce	0.00	62	55	37	67%	7.5Hard	en
Trip Planning	0.03	124	558	474	85%	2.8Medium	en
Two-sum	0.00	6	15500	14805	96%	1.2Easy	en
Typo Squatting	0.49	500	45	21	47%	2.1 - 7.7Hard	en
USB Keyboard	0.00	51	70	57	81%	6.2Hard	en
Uno Reverse	0.00	68	324	189	58%	5.6Hard	da de en
Varied Amusements	0.00	66	384	316	82%	2.0 - 2.6Easy	en
Vector Functions	0.03	575	662	527	80%	3.1Medium	en
Wizard Dance	0.06	826	90	54	60%	7.0Hard	en
Wolf	0.00	99	185	154	83%	4.8Medium	en
Workout	0.00	366	12	7	58%	5.4Medium	en
Zip Lines	0.03	574	41	20	49%	6.1 - 7.0Hard	en
nnnnn	0.01	199	404	178	44%	8.0Hard	en
Östgötska	0.00	95	1788	1651	92%	2.1Easy	en

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