Problems by Howard Cheng – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Adrift At Sea	0.00	153	149	133	89%	2.6Easy	en
Amazing Race	0.29	1101	231	167	72%	6.3Hard	en
Antialiasing	0.01	974	46	27	59%	7.8Hard	en
Arithmetic Decoding	0.00	134	369	332	90%	2.4Easy	en
Bitmask	0.00	311	160	144	90%	3.4Medium	en
Blueberry Waffle	0.00	49	1101	949	86%	2.2Easy	en
Building Roads	0.01	628	60	24	40%	8.6Hard	en
Conquest	0.01	294	1326	1187	90%	2.9Medium	en
Conveyor Belt Sushi	0.00	215	81	77	95%	2.2Easy	en
Decisions, Decisions	0.00	126	316	281	89%	2.9Medium	en
Distance	0.01	83	541	437	81%	3.5Medium	en
Don't Be Fake	0.00	99	306	282	92%	2.2Easy	en
Election	0.00	202	936	634	68%	4.7Medium	en
Election Paradox	0.00	68	1463	1369	94%	1.9Easy	en
Eligibility	0.00	88	4000	3805	95%	1.6Easy	en
Enchanted Maze	0.00	1607	87	67	77%	7.3Hard	en
Energy Usage	0.01	405	33	31	94%	3.9Medium	en
Even Up Solitaire	0.00	64	4445	3834	86%	2.5Easy	en
Forced Choice	0.00	44	2105	2021	96%	1.4Easy	en
Forest for the Trees	0.00	151	358	271	76%	4.8Medium	en
Gas Station	0.00	965	95	65	68%	5.7Hard	en
Genies	0.00	66	90	82	91%	3.4Medium	en
Ghostbusters 3	0.00	91	197	155	79%	4.1Medium	en
Guess Who	0.00	117	717	689	96%	1.5Easy	en
Heart Rate	0.00	45	7761	7477	96%	1.5Easy	en ja
Hexadecimal Confusion	0.00	99	83	76	92%	3.6Medium	en
Hogwarts	0.00	205	155	130	84%	5.2Medium	en
Initials	0.01	551	103	69	67%	7.3Hard	en
Locked Treasure	0.00	64	930	855	92%	2.2Easy	en
Molecules	0.00	624	243	213	88%	3.8Medium	en
Multiplication Game	0.02	563	371	293	79%	4.7Medium	en
Open-Pit Mining	0.00	1005	384	302	79%	4.2Medium	en
Particle Collision	0.00	965	186	146	78%	5.4Medium	en
Password Hacking	0.00	46	2415	2237	93%	1.8Easy	en
Plane Ticket Pricing	0.00	219	678	578	85%	3.6Medium	en
Plotting Polynomials	0.00	193	421	383	91%	2.5Easy	en
Polyline Simplification	0.05	686	305	246	81%	5.8Hard	en
Popular Vote	0.00	139	3720	3397	91%	2.3Easy	en
Protect the Pollen!	0.01	789	77	60	78%	5.6Hard	en
Quality-Adjusted Life-Year	0.00	24	20546	19852	97%	1.2Easy	en ja
Repeated Substrings	0.05	396	709	454	64%	6.0Hard	en
Restaurant Ratings	0.00	315	267	218	82%	4.0Medium	en
Rocky Mountain	0.08	211	95	63	66%	6.1Hard	en
Scaling Recipes	0.00	173	1522	1437	94%	2.3Easy	en
Scrabble Flash	0.00	412	79	53	67%	4.0Medium	en
Seven Up	0.00	409	53	45	85%	3.8Medium	en
Space Junk	0.00	230	377	321	85%	3.8Medium	en
Studying For Exams	0.00	385	231	179	77%	4.9Medium	en
Train Boarding	0.00	98	411	326	79%	3.9Medium	en
Vaccine Efficacy	0.00	150	1233	1077	87%	2.7Easy	en