Problems from 2012 ICPC World Finals Practice

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Counting Stars 3394 1132 33% 0.00 996 848 85% 2.9
Heliocentric 1125 694 62% 0.00 644 605 94% 1.7
In Or Out 1385 456 33% 0.00 452 397 88% 3.0
Limited Correspondence 345 131 38% 0.05 60 40 67% 5.7
Matrix Inverse 1798 615 34% 0.00 617 498 81% 3.7
Polish Notation 313 99 32% 0.00 102 85 83% 3.6
Preludes 1193 648 54% 0.00 631 590 94% 1.8
Prime Spiral 297 122 41% 0.00 96 88 92% 3.5
Reversing Roads 676 189 28% 0.00 171 140 82% 4.7
SierpiƄski Circumference 1812 683 38% 0.00 591 535 91% 2.4
Statistics 4478 1972 44% 0.00 1882 1724 92% 1.7