Problems from International Collegiate Programming Contest (ACM-ICPC) World Finals 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1594 414 26% 0.01 353 282 80% 5.0
Harvard 327 52 16% 0.26 69 44 64% 8.9
Hey, Better Bettor 268 106 40% 0.00 90 70 78% 5.9
Low Power 1875 430 23% 0.11 493 354 72% 5.1
Map Tiles 81 22 27% 0.35 26 18 69% 8.3
Матрёшка 705 239 34% 0.07 218 177 81% 4.4
Pirate Chest 432 138 32% 0.41 122 96 79% 7.3
Pollution Solution 902 207 23% 0.00 193 146 76% 6.0
Self-Assembly 896 309 34% 0.00 351 245 70% 3.9
Surely You Congest 923 308 33% 0.11 228 203 89% 3.6
Up a Tree 128 53 41% 0.02 50 41 82% 7.6