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	57	20	35%	9.1Hard	en
Hubtown	0.13	1830	124	69	56%	8.6Hard	en
IP over Avian Carriers	0.00	32	57	14	25%	4.0 - 8.8Hard	en
Icy Itinerary	0.08	540	95	60	63%	7.4Hard	en
Infinite Slides	0.00	199	128	112	88%	3.7Medium	en
Inheritance	0.00	82	248	226	91%	2.5Easy	en
Interactive Tic-Tac-Toe	0.00	542	139	81	58%	1.4 - 4.2Medium	en sv
Inverse Totient	0.08	938	32	19	59%	7.8Hard	en
IsItHalloween.com	0.00	29	13012	12471	96%	1.3Easy	en
Job DNA	0.18	1610	63	33	52%	3.3 - 7.2Hard	en sv
Job Switching	0.01	95	584	517	89%	2.4Easy	en sv
Juggling	0.00	245	82	40	49%	6.2Hard	da de en
Just a Minute	0.00	78	3060	2878	94%	2.2Easy	en
Keep Calm And Carry Off	0.01	499	244	158	65%	7.1Hard	en
Knight Packing	0.00	6	6730	6500	97%	1.3Easy	en
Logic Functions	0.00	96	1047	973	93%	1.6Easy	en
Logland	0.02	116	227	183	81%	5.7Hard	en
Longest Prime Sum	0.00	6	1016	903	89%	2.2Easy	en
Longest path in a DAG	0.01	458	242	205	85%	3.6Medium	en
Magic Show	0.00	771	17	10	59%	4.6 - 4.7Medium	en sv
Marathon	0.00	226	64	47	73%	7.3Hard	en
Massive Card Game	0.02	102	1280	1143	89%	2.1Easy	en
Mate in One	0.00	2886	47	32	68%	7.7Hard	en
Maximum Clique	0.00	314	173	112	65%	1.9 - 5.5Medium	en
Minimal Fibonacci Sums	0.00	82	619	558	90%	2.0Easy	en sv
Ministry of Magic	0.06	489	192	149	78%	6.0Hard	en
Mixing Drinks	0.02	272	83	66	80%	5.1Medium	en
Moonfrost Canyon	0.02	217	32	22	69%	2.5 - 5.0Medium	en
Multiplication Table	0.00	72	570	469	82%	2.1 - 2.4Easy	en
Mutexes	0.11	3434	30	8	27%	2.0 - 8.1Hard	en
Mårten's DFS	0.03	514	200	149	74%	3.2 - 3.5Medium	en sv
Mårten's Theorem	0.02	754	313	213	68%	6.2Hard	en
N-sum	0.00	15	11788	11299	96%	1.2Easy	en
Number Plates	0.09	508	21	8	38%	3.2 - 7.0Hard	en sv
Odd A's, Even B's	0.00	64	244	205	84%	3.4Medium	en
Odd Echo	0.00	6	13711	12784	93%	1.2Easy	en
Paint Buckets	0.03	414	98	79	81%	3.6Medium	en
Pairing Socks	0.01	73	3509	3049	87%	2.1Easy	en
Pitch Performance	0.00	1205	48	39	81%	5.0Medium	en
Pokémon Ice Maze	0.10	820	117	80	68%	6.6Hard	en
Popularity Contest	0.01	72	918	863	94%	1.7Easy	en
Positive Divisors	0.00	95	501	420	84%	2.6Easy	en
Primality	0.00	34	403	252	63%	2.2 - 4.9Medium	en
Prime Count	0.02	389	264	87	33%	2.9 - 8.0Hard	en
Problem Classification	0.00	250	661	589	89%	2.7Easy	en
Product Divisors	0.09	373	118	85	72%	6.1Hard	en
Reactivity Series	0.00	368	831	731	88%	2.9Medium	en
Sailing Friends	0.01	191	423	389	92%	2.1Easy	en
Sequential Manufacturing	0.00	50	320	276	86%	3.1Medium	en
Short Sell	0.00	73	424	361	85%	3.5Medium	en
Shortest Composite Sum	0.00	28	259	216	83%	3.6Medium	en
Solving for Carrots	0.00	6	35601	34187	96%	1.2Easy	en
Speaking of Which	0.00	161	177	103	58%	6.9Hard	en
Streaming Services	0.02	1293	14	7	50%	5.1 - 6.6Hard	en
String Hashing	0.04	145	966	677	70%	5.3Medium	en
Subcommittees	0.00	6	131	108	82%	2.8Medium	en
Surveillance	0.19	1196	20	7	35%	3.8 - 6.8Hard	en
Teacher Evaluation	0.00	87	816	701	86%	2.8Medium	en
The Apple Game	0.00	36	123	44	36%	6.0 - 9.3Hard	en sv
The Coloring Game	0.00	238	44	29	66%	4.0 - 4.8Medium	en sv
Tom and Jerry	0.00	580	162	100	62%	7.2Hard	en
Train Tickets	0.09	1699	52	27	52%	7.6Hard	en
Triangle Area	0.00	15	13249	12705	96%	1.2Easy	en
Triangle Drama	0.00	105	211	196	93%	2.5Easy	en
Triforce	0.00	62	59	38	64%	8.4Hard	en
Trip Planning	0.02	124	582	495	85%	2.8Medium	en
Two-sum	0.00	6	15927	15219	96%	1.2Easy	en
Typo Squatting	0.46	500	50	23	46%	2.0 - 8.0Hard	en
USB Keyboard	0.00	51	80	66	82%	5.7Hard	en
Uno Reverse	0.00	68	329	193	59%	5.6Hard	da de en
Varied Amusements	0.00	66	402	330	82%	2.0 - 2.6Easy	en
Vector Functions	0.03	575	686	550	80%	3.0Medium	en
Wizard Dance	0.06	826	91	54	59%	7.2Hard	en
Wolf	0.00	99	186	155	83%	4.7Medium	en
Workout	0.00	366	14	8	57%	4.8 - 5.8Hard	en
Zip Lines	0.03	574	56	27	48%	4.8 - 7.4Hard	en
nnnnn	0.01	150	426	191	45%	7.8Hard	en
Östgötska	0.00	95	1799	1662	92%	2.0Easy	en

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