Problems by Howard Cheng – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Adrift At Sea	0.00	153	171	153	89%	2.6Easy	en
Amazing Race	0.29	1101	231	167	72%	6.3Hard	en
Antialiasing	0.01	974	48	28	58%	7.4Hard	en
Arithmetic Decoding	0.00	134	372	335	90%	2.4Easy	en
Bitmask	0.00	311	162	146	90%	3.3Medium	en
Blueberry Waffle	0.00	49	1109	956	86%	2.2Easy	en
Building Roads	0.01	628	61	24	39%	8.8Hard	en
Conquest	0.01	294	1340	1199	89%	2.9Medium	en
Conveyor Belt Sushi	0.00	215	112	108	96%	1.8Easy	en
Decisions, Decisions	0.00	126	320	286	89%	2.9Medium	en
Distance	0.01	83	545	441	81%	3.4Medium	en
Don't Be Fake	0.00	99	310	285	92%	2.2Easy	en
Election	0.00	202	938	636	68%	4.7Medium	en
Election Paradox	0.00	68	1474	1380	94%	1.8Easy	en
Eligibility	0.00	88	4017	3822	95%	1.6Easy	en
Enchanted Maze	0.00	1607	90	70	78%	7.1Hard	en
Energy Usage	0.01	405	35	32	91%	4.7Medium	en
Even Up Solitaire	0.00	64	4512	3898	86%	2.3Easy	en
Forced Choice	0.00	44	2162	2075	96%	1.4Easy	en
Forest for the Trees	0.00	151	359	272	76%	4.7Medium	en
Gas Station	0.00	965	95	65	68%	5.7Hard	en
Genies	0.00	66	104	95	91%	3.2Medium	en
Ghostbusters 3	0.00	91	199	157	79%	4.0Medium	en
Guess Who	0.00	117	750	721	96%	1.5Easy	en
Heart Rate	0.00	45	7769	7484	96%	1.5Easy	en ja
Hexadecimal Confusion	0.00	99	94	85	90%	3.8Medium	en
Hogwarts	0.00	205	157	132	84%	5.1Medium	en
Initials	0.01	551	107	73	68%	7.1Hard	en
Locked Treasure	0.00	64	936	860	92%	2.2Easy	en
Molecules	0.00	624	243	213	88%	3.8Medium	en
Multiplication Game	0.02	563	382	297	78%	4.8Medium	en
Open-Pit Mining	0.00	1005	387	306	79%	4.1Medium	en
Particle Collision	0.00	965	190	149	78%	5.3Medium	en
Password Hacking	0.00	46	2422	2244	93%	1.7Easy	en
Plane Ticket Pricing	0.00	219	704	603	86%	3.5Medium	en
Plotting Polynomials	0.00	193	423	385	91%	2.5Easy	en
Polyline Simplification	0.05	686	306	247	81%	5.8Hard	en
Popular Vote	0.00	139	3755	3428	91%	2.3Easy	en
Protect the Pollen!	0.01	789	78	61	78%	5.5Hard	en
Quality-Adjusted Life-Year	0.00	24	20673	19978	97%	1.2Easy	en ja
Repeated Substrings	0.05	396	709	454	64%	6.0Hard	en
Restaurant Ratings	0.00	315	267	218	82%	3.9Medium	en
Rocky Mountain	0.08	211	97	65	67%	5.9Hard	en
Scaling Recipes	0.00	173	1526	1441	94%	2.3Easy	en
Scrabble Flash	0.00	412	80	54	68%	4.0Medium	en
Seven Up	0.00	409	55	47	85%	3.7Medium	en
Space Junk	0.00	230	379	323	85%	3.8Medium	en
Studying For Exams	0.00	385	231	179	77%	4.9Medium	en
Train Boarding	0.00	98	413	328	79%	3.8Medium	en
Vaccine Efficacy	0.00	150	1236	1080	87%	2.7Easy	en