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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1621 424 26% 0.01 361 288 80% 5.3
Harvard 345 53 15% 0.26 73 45 62% 9.2
Hey, Better Bettor 275 110 40% 0.00 93 73 78% 6.0
Low Power 1890 436 23% 0.11 498 359 72% 5.1
Map Tiles 83 23 28% 0.35 28 19 68% 8.6
Pirate Chest 437 139 32% 0.41 123 97 79% 7.4
Pollution Solution 921 213 23% 0.00 196 151 77% 5.9
Self-Assembly 898 311 35% 0.00 353 247 70% 3.9
Surely You Congest 940 314 33% 0.11 233 208 89% 3.8
Up a Tree 129 54 42% 0.02 51 42 82% 8.2
Матрёшка 716 245 34% 0.07 221 179 81% 4.4