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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1632 428 26% 0.01 367 291 79% 5.4
Harvard 345 53 15% 0.26 73 45 62% 9.2
Hey, Better Bettor 275 110 40% 0.00 93 73 78% 6.2
Low Power 1928 441 23% 0.11 503 364 72% 4.9
Map Tiles 91 25 27% 0.35 29 20 69% 8.4
Pirate Chest 439 140 32% 0.41 124 98 79% 7.5
Pollution Solution 924 215 23% 0.00 197 152 77% 6.0
Self-Assembly 913 314 34% 0.00 356 249 70% 3.9
Surely You Congest 957 319 33% 0.11 237 212 89% 3.8
Up a Tree 129 54 42% 0.02 51 42 82% 8.6
Матрёшка 742 255 34% 0.07 228 186 82% 4.3