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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1672 439 26% 0.01 372 296 80% 5.5
Harvard 349 53 15% 0.26 75 45 60% 9.4
Hey, Better Bettor 279 111 40% 0.00 95 74 78% 6.5
Low Power 1932 444 23% 0.11 506 367 73% 5.0
Map Tiles 92 26 28% 0.35 30 21 70% 8.2
Pirate Chest 452 143 32% 0.41 127 100 79% 7.7
Pollution Solution 935 219 23% 0.00 200 155 78% 6.0
Self-Assembly 915 316 35% 0.00 358 251 70% 3.9
Surely You Congest 965 322 33% 0.11 240 214 89% 3.8
Up a Tree 131 56 43% 0.02 52 43 83% 8.5
Матрёшка 747 258 35% 0.07 231 189 82% 4.3