Problems by Howard Cheng

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Amazing Race 332 88 27% 0.29 92 65 71% 7.5
Decisions, Decisions 371 204 55% 0.00 175 155 89% 3.2
Election 1773 321 18% 0.00 376 216 57% 6.1
Eligibility 3964 1960 49% 0.00 1872 1770 95% 1.6
Even Up Solitaire 4640 1700 37% 0.00 1569 1293 82% 2.7
Forest for the Trees 926 199 21% 0.00 187 141 75% 4.2
Heart Rate 5710 3860 68% 0.00 3424 3330 97% 1.3
Hogwarts 132 50 38% 0.00 45 39 87% 4.5
Initials 260 64 25% 0.02 77 52 68% 6.1
Locked Treasure 776 391 50% 0.00 370 331 89% 2.9
Molecules 257 74 29% 0.00 51 44 86% 5.1
Multiplication Game 1009 334 33% 0.02 228 184 81% 4.6
Open-Pit Mining 280 121 43% 0.00 119 87 73% 4.6
Particle Collision 292 96 33% 0.00 102 81 79% 3.1
Password Hacking 2869 1205 42% 0.00 1096 995 91% 2.2
Plane Ticket Pricing 511 187 37% 0.00 169 141 83% 4.9
Plotting Polynomials 310 244 79% 0.00 232 212 91% 2.5
Polyline Simplification 663 132 20% 0.05 136 102 75% 6.4
Popular Vote 4095 1841 45% 0.00 1783 1604 90% 2.3
Quality-Adjusted Life-Year 11026 6845 62% 0.00 6394 6194 97% 1.3
Repeated Substrings 954 298 31% 0.06 301 198 66% 6.5
Restaurant Ratings 402 207 51% 0.00 190 165 87% 3.7
Scaling Recipes 1568 895 57% 0.01 793 747 94% 1.8
Space Junk 831 203 24% 0.00 206 164 80% 5.0
Studying For Exams 600 216 36% 0.00 157 117 75% 5.2