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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Factors 1718 454 26% 0.01 380 302 79% 5.7
Harvard 349 53 15% 0.26 75 45 60% 9.3
Hey, Better Bettor 281 113 40% 0.00 97 76 78% 6.5
Low Power 1939 448 23% 0.11 509 370 73% 5.1
Map Tiles 97 27 28% 0.35 31 22 71% 8.6
Pirate Chest 454 144 32% 0.41 128 101 79% 7.6
Pollution Solution 950 221 23% 0.00 202 157 78% 6.1
Self-Assembly 922 321 35% 0.00 363 256 71% 4.0
Surely You Congest 986 331 34% 0.10 244 218 89% 3.9
Up a Tree 131 56 43% 0.02 52 43 83% 8.5
Матрёшка 751 259 34% 0.07 233 190 82% 4.4