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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 2036 506 25% 0.01 474 339 72% 5.5
Harvard 372 59 16% 0.23 87 48 55% 9.4
Hey, Better Bettor 340 130 38% 0.00 125 89 71% 6.5
Low Power 2818 652 23% 0.11 664 475 72% 5.0
Map Tiles 126 29 23% 0.35 52 23 44% 8.2
Pirate Chest 508 164 32% 0.40 148 117 79% 7.7
Pollution Solution 1055 249 24% 0.00 232 169 73% 6.0
Self-Assembly 1130 420 37% 0.00 437 313 72% 3.9
Surely You Congest 1356 417 31% 0.11 319 267 84% 3.8
Up a Tree 164 59 36% 0.02 75 46 61% 8.5
Матрёшка 828 294 36% 0.07 248 201 81% 4.3