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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1756 464 26% 0.01 389 310 80% 5.7
Harvard 353 53 15% 0.26 76 45 59% 9.5
Hey, Better Bettor 300 116 39% 0.00 102 79 77% 7.0
Low Power 1969 461 23% 0.11 522 382 73% 5.0
Map Tiles 98 28 29% 0.35 32 23 72% 9.0
Pirate Chest 474 150 32% 0.41 133 104 78% 7.8
Pollution Solution 977 231 24% 0.00 215 167 78% 5.9
Self-Assembly 949 333 35% 0.00 374 265 71% 4.0
Surely You Congest 1054 345 33% 0.10 252 225 89% 3.7
Up a Tree 136 59 43% 0.02 55 46 84% 8.0
Матрёшка 802 280 35% 0.06 249 205 82% 4.5