Problems by Howard Cheng – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Adrift At Sea	0.00	153	187	167	89%	2.5Easy	en
Amazing Race	0.29	1101	233	167	72%	6.3Hard	en
Antialiasing	0.01	974	49	29	59%	7.0Hard	en
Arithmetic Decoding	0.00	134	378	341	90%	2.4Easy	en
Bitmask	0.00	311	163	147	90%	3.3Medium	en
Blueberry Waffle	0.00	49	1115	963	86%	2.1Easy	en
Building Roads	0.01	628	60	24	40%	8.6Hard	en
Conquest	0.01	294	1346	1207	90%	2.7Easy	en
Conveyor Belt Sushi	0.00	215	116	111	96%	1.9Easy	en
Decisions, Decisions	0.00	126	320	286	89%	2.9Medium	en
Distance	0.01	83	545	442	81%	3.4Medium	en
Don't Be Fake	0.00	99	309	285	92%	2.2Easy	en
Election	0.00	202	951	650	68%	4.5Medium	en
Election Paradox	0.00	68	1476	1383	94%	1.8Easy	en
Eligibility	0.00	88	4049	3852	95%	1.6Easy	en
Enchanted Maze	0.00	1607	91	71	78%	7.1Hard	en
Energy Usage	0.01	405	36	32	89%	5.4Medium	en
Even Up Solitaire	0.00	64	4568	3945	86%	2.5Easy	en
Forced Choice	0.00	44	2167	2082	96%	1.4Easy	en
Forest for the Trees	0.00	151	360	274	76%	4.6Medium	en
Gas Station	0.00	965	96	66	69%	5.4Medium	en
Genies	0.00	66	109	98	90%	3.2Medium	en
Ghostbusters 3	0.00	91	199	158	79%	3.9Medium	en
Guess Who	0.00	117	752	722	96%	1.5Easy	en
Heart Rate	0.00	45	7792	7507	96%	1.5Easy	en ja
Hexadecimal Confusion	0.00	99	95	86	91%	3.6Medium	en
Hogwarts	0.00	205	156	131	84%	5.2Medium	en
Initials	0.01	551	115	75	65%	7.6Hard	en
Locked Treasure	0.00	64	938	863	92%	2.2Easy	en
Molecules	0.00	624	246	216	88%	3.7Medium	en
Multiplication Game	0.02	563	381	296	78%	4.9Medium	en
Open-Pit Mining	0.00	1005	389	309	79%	4.0Medium	en
Particle Collision	0.00	965	189	149	79%	5.3Medium	en
Password Hacking	0.00	46	2458	2277	93%	1.7Easy	en
Plane Ticket Pricing	0.00	219	728	625	86%	3.4Medium	en
Plotting Polynomials	0.00	193	427	389	91%	2.5Easy	en
Polyline Simplification	0.05	686	306	248	81%	5.6Hard	en
Popular Vote	0.00	139	3774	3450	91%	2.2Easy	en
Protect the Pollen!	0.01	789	77	61	79%	5.1Medium	en
Quality-Adjusted Life-Year	0.00	24	20727	20030	97%	1.2Easy	en ja
Repeated Substrings	0.05	396	722	468	65%	5.8Hard	en
Restaurant Ratings	0.00	315	267	219	82%	3.9Medium	en
Rocky Mountain	0.08	211	104	71	68%	5.3Medium	en
Scaling Recipes	0.00	173	1528	1443	94%	2.2Easy	en
Scrabble Flash	0.00	412	81	55	68%	3.9Medium	en
Seven Up	0.00	409	54	46	85%	4.1Medium	en
Space Junk	0.00	230	381	325	85%	3.7Medium	en
Studying For Exams	0.00	385	232	180	78%	4.8Medium	en
Train Boarding	0.00	98	416	329	79%	3.9Medium	en
Vaccine Efficacy	0.00	150	1237	1080	87%	2.7Easy	en