Problems by Howard Cheng

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Amazing Race 394 99 25% 0.29 104 73 70% 7.2
Decisions, Decisions 385 215 56% 0.00 184 165 90% 3.1
Election 1824 338 19% 0.00 398 230 58% 6.2
Eligibility 4430 2174 49% 0.00 2079 1969 95% 1.6
Even Up Solitaire 5023 1897 38% 0.00 1748 1454 83% 2.6
Forest for the Trees 963 211 22% 0.00 198 149 75% 4.5
Heart Rate 6925 4629 67% 0.00 4029 3917 97% 1.3
Hogwarts 272 62 23% 0.00 53 47 89% 3.7
Initials 273 65 24% 0.02 78 53 68% 6.1
Locked Treasure 886 432 49% 0.00 410 368 90% 2.9
Molecules 288 92 32% 0.00 65 55 85% 5.1
Multiplication Game 1041 344 33% 0.02 239 188 79% 4.9
Open-Pit Mining 325 141 43% 0.00 132 99 75% 4.9
Particle Collision 296 97 33% 0.00 105 82 78% 3.7
Password Hacking 3047 1296 43% 0.00 1184 1076 91% 2.2
Plane Ticket Pricing 595 220 37% 0.00 198 166 84% 4.7
Plotting Polynomials 332 260 78% 0.00 247 227 92% 2.5
Polyline Simplification 670 133 20% 0.05 138 103 75% 6.7
Popular Vote 4376 1970 45% 0.00 1911 1723 90% 2.3
Quality-Adjusted Life-Year 13746 8496 62% 0.00 7948 7691 97% 1.3
Repeated Substrings 1085 344 32% 0.06 331 214 65% 6.4
Restaurant Ratings 410 212 52% 0.00 195 170 87% 3.6
Scaling Recipes 1673 960 57% 0.01 850 805 95% 1.8
Space Junk 885 212 24% 0.00 213 171 80% 5.0
Studying For Exams 686 234 34% 0.00 165 125 76% 5.1