Problems by Howard Cheng

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Amazing Race 441 114 26% 0.29 116 84 72% 6.3
Arithmetic Decoding 141 86 61% 0.00 76 68 89% 3.3
Conquest 231 95 41% 0.09 94 80 85% 3.7
Decisions, Decisions 438 241 55% 0.00 211 185 88% 3.3
Distance 297 106 36% 0.02 121 80 66% 5.7
Election 2259 438 19% 0.00 502 305 61% 5.9
Eligibility 5054 2524 50% 0.00 2403 2280 95% 1.6
Even Up Solitaire 6229 2469 40% 0.00 2177 1833 84% 2.5
Forced Choice 663 485 73% 0.00 457 443 97% 1.4
Forest for the Trees 1098 254 23% 0.00 235 182 77% 4.2
Heart Rate 8297 5546 67% 0.00 4855 4723 97% 1.3
Hogwarts 333 87 26% 0.00 77 69 90% 4.2
Initials 307 76 25% 0.02 87 59 68% 6.8
Locked Treasure 1093 575 53% 0.00 520 477 92% 2.5
Molecules 440 150 34% 0.00 103 90 87% 3.9
Multiplication Game 1267 396 31% 0.02 293 229 78% 5.0
Open-Pit Mining 590 265 45% 0.00 214 165 77% 4.0
Particle Collision 444 126 28% 0.00 134 102 76% 5.0
Password Hacking 3607 1569 43% 0.00 1391 1270 91% 2.2
Plane Ticket Pricing 704 275 39% 0.00 245 211 86% 4.5
Plotting Polynomials 369 294 80% 0.00 279 260 93% 2.4
Polyline Simplification 777 167 21% 0.05 171 124 73% 6.7
Popular Vote 5104 2272 45% 0.00 2202 1977 90% 2.4
Quality-Adjusted Life-Year 17439 10875 62% 0.00 10121 9793 97% 1.3
Repeated Substrings 1242 388 31% 0.06 377 245 65% 6.4
Restaurant Ratings 432 224 52% 0.00 209 182 87% 3.7
Scaling Recipes 1890 1075 57% 0.01 952 901 95% 1.8
Space Junk 1068 262 25% 0.00 258 205 79% 4.9
Studying For Exams 732 254 35% 0.00 183 138 75% 5.2
Train Boarding 289 97 34% 0.00 107 86 80% 3.7
Vaccine Efficacy 330 168 51% 0.00 170 154 91% 2.8