Problems by Howard Cheng

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Amazing Race 704 176 25% 0.29 155 119 77% 5.5
Arithmetic Decoding 190 117 62% 0.00 104 96 92% 2.6
Conquest 308 129 42% 0.09 121 105 87% 3.7
Decisions, Decisions 446 247 55% 0.00 216 190 88% 3.3
Distance 658 209 32% 0.02 237 171 72% 4.1
Election 2384 452 19% 0.00 528 315 60% 6.3
Eligibility 5224 2611 50% 0.00 2487 2360 95% 1.6
Even Up Solitaire 6567 2625 40% 0.00 2317 1955 84% 2.6
Forced Choice 966 708 73% 0.00 679 656 97% 1.4
Forest for the Trees 1338 309 23% 0.00 265 206 78% 4.4
Heart Rate 9255 6084 66% 0.00 5375 5218 97% 1.3
Hogwarts 439 103 23% 0.00 98 84 86% 5.5
Initials 314 77 25% 0.02 89 60 67% 7.0
Locked Treasure 1142 603 53% 0.00 545 500 92% 2.6
Molecules 521 176 34% 0.00 125 109 87% 3.7
Multiplication Game 1285 404 31% 0.02 300 236 79% 5.0
Open-Pit Mining 598 273 46% 0.00 219 170 78% 4.1
Particle Collision 451 129 29% 0.00 137 104 76% 5.1
Password Hacking 3743 1629 44% 0.00 1446 1321 91% 2.2
Plane Ticket Pricing 720 285 40% 0.00 255 221 87% 4.6
Plotting Polynomials 375 300 80% 0.00 285 266 93% 2.4
Polyline Simplification 782 169 22% 0.05 172 126 73% 6.6
Popular Vote 5598 2445 44% 0.00 2377 2134 90% 2.3
Quality-Adjusted Life-Year 19803 12278 62% 0.00 11374 11007 97% 1.3
Repeated Substrings 1312 406 31% 0.06 399 256 64% 6.5
Restaurant Ratings 457 233 51% 0.00 215 187 87% 3.8
Scaling Recipes 2068 1166 56% 0.01 1031 977 95% 1.8
Space Junk 1113 270 24% 0.00 267 212 79% 5.0
Studying For Exams 748 256 34% 0.00 187 140 75% 5.3
Train Boarding 453 143 32% 0.00 151 125 83% 3.1
Vaccine Efficacy 777 353 45% 0.00 338 302 89% 2.8