Problems by Howard Cheng – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Adrift At Sea	0.00	153	196	176	90%	2.5Easy	en
Amazing Race	0.29	1101	235	169	72%	6.3Hard	en
Antialiasing	0.01	974	49	29	59%	7.0Hard	en
Arithmetic Decoding	0.00	134	389	352	90%	2.3Easy	en
Bitmask	0.00	311	164	148	90%	3.3Medium	en
Blueberry Waffle	0.00	49	1115	963	86%	2.1Easy	en
Building Roads	0.01	628	61	24	39%	8.8Hard	en
Conquest	0.01	294	1349	1211	90%	2.7Easy	en
Conveyor Belt Sushi	0.00	173	117	112	96%	1.9Easy	en
Decisions, Decisions	0.00	126	323	289	89%	2.9Medium	en
Distance	0.01	83	545	442	81%	3.4Medium	en
Don't Be Fake	0.00	99	310	286	92%	2.2Easy	en
Election	0.00	202	952	651	68%	4.5Medium	en
Election Paradox	0.00	68	1478	1385	94%	1.8Easy	en
Eligibility	0.00	88	4054	3857	95%	1.6Easy	en
Enchanted Maze	0.00	1607	96	73	76%	7.4Hard	en
Energy Usage	0.01	405	36	32	89%	5.5Hard	en
Even Up Solitaire	0.00	64	4599	3972	86%	2.6Easy	en
Forced Choice	0.00	44	2169	2083	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%	5.5Hard	en
Genies	0.00	66	109	99	91%	3.0Medium	en
Ghostbusters 3	0.00	91	201	159	79%	4.0Medium	en
Guess Who	0.00	117	754	724	96%	1.5Easy	en
Heart Rate	0.00	45	7805	7519	96%	1.5Easy	en ja
Hexadecimal Confusion	0.00	99	98	88	90%	3.9Medium	en
Hogwarts	0.00	205	157	132	84%	5.1Medium	en
Initials	0.01	551	116	75	65%	7.7Hard	en
Locked Treasure	0.00	64	941	866	92%	2.2Easy	en
Molecules	0.00	624	247	217	88%	3.7Medium	en
Multiplication Game	0.02	246	385	299	78%	4.9Medium	en
Open-Pit Mining	0.00	1005	393	313	80%	4.0Medium	en
Particle Collision	0.00	584	191	151	79%	5.2Medium	en
Password Hacking	0.00	46	2464	2282	93%	1.7Easy	en
Plane Ticket Pricing	0.00	219	728	625	86%	3.4Medium	en
Plotting Polynomials	0.00	193	429	391	91%	2.5Easy	en
Polyline Simplification	0.05	686	307	249	81%	5.6Hard	en
Popular Vote	0.00	139	3781	3457	91%	2.2Easy	en
Protect the Pollen!	0.01	789	79	63	80%	4.9Medium	en
Quality-Adjusted Life-Year	0.00	24	20770	20073	97%	1.2Easy	en ja
Repeated Substrings	0.05	396	739	481	65%	5.8Hard	en
Restaurant Ratings	0.00	315	268	220	82%	3.8Medium	en
Rocky Mountain	0.08	211	106	73	69%	5.1Medium	en
Scaling Recipes	0.00	173	1530	1445	94%	2.2Easy	en
Scrabble Flash	0.00	412	81	55	68%	4.0Medium	en
Seven Up	0.00	409	54	46	85%	4.1Medium	en
Space Junk	0.00	230	382	326	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	1238	1081	87%	2.6Easy	en