Problems by Howard Cheng

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Amazing Race	778	190	24%	0.29	171	130	76%	6.0
Antialiasing	74	12	16%	0.18	16	9	56%	8.0
Arithmetic Decoding	374	202	54%	0.00	171	162	95%	2.2
Bitmask	85	56	66%	0.00	56	51	91%	3.4
Conquest	1342	440	33%	0.08	311	275	88%	3.5
Decisions, Decisions	502	276	55%	0.00	243	213	88%	3.0
Distance	880	303	34%	0.02	298	226	76%	4.0
Election	2584	500	19%	0.00	600	355	59%	6.6
Election Paradox	331	233	70%	0.00	226	212	94%	1.9
Eligibility	5714	2894	51%	0.00	2742	2611	95%	1.5
Even Up Solitaire	7438	2988	40%	0.00	2577	2192	85%	2.6
Forced Choice	1342	997	74%	0.00	950	920	97%	1.4
Forest for the Trees	1388	330	24%	0.00	283	221	78%	4.9
Ghostbusters 3	131	55	42%	0.00	57	42	74%	6.2
Heart Rate	10228	6753	66%	0.00	5971	5796	97%	1.3
Hogwarts	453	112	25%	0.00	106	92	87%	5.0
Initials	353	88	25%	0.02	103	71	69%	6.9
Locked Treasure	1213	652	54%	0.00	591	543	92%	2.5
Molecules	644	221	34%	0.00	152	135	89%	3.8
Multiplication Game	1344	426	32%	0.02	319	252	79%	5.4
Open-Pit Mining	733	342	47%	0.00	266	213	80%	4.2
Particle Collision	544	169	31%	0.00	159	127	80%	5.4
Password Hacking	4171	1813	43%	0.00	1620	1478	91%	2.3
Plane Ticket Pricing	972	347	36%	0.00	315	263	83%	4.7
Plotting Polynomials	445	325	73%	0.00	311	290	93%	2.4
Polyline Simplification	873	196	22%	0.05	193	143	74%	6.8
Popular Vote	6001	2647	44%	0.00	2537	2285	90%	2.2
Protect the Pollen!	121	25	21%	0.02	21	18	86%	5.0
Quality-Adjusted Life-Year	22910	14331	63%	0.00	12615	12214	97%	1.3
Repeated Substrings	1524	456	30%	0.05	455	298	65%	6.4
Restaurant Ratings	468	239	51%	0.00	224	193	86%	3.8
Scaling Recipes	2192	1244	57%	0.01	1094	1036	95%	1.8
Space Junk	1248	328	26%	0.00	307	250	81%	4.5
Studying For Exams	809	285	35%	0.00	214	160	75%	5.1
Train Boarding	620	188	30%	0.00	203	168	83%	3.5
Vaccine Efficacy	1090	499	46%	0.00	480	428	89%	2.7