Problems from Nordic Collegiate Programming Contest (NCPC) 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Boiling Vegetables 1147 435 38% 0.00 382 317 83% 3.4
Cliff Walk 46 22 48% 0.01 25 20 80% 6.9
Dance Reconstruction 132 26 20% 0.00 37 25 68% 6.7
Dartboard 411 132 32% 0.00 120 101 84% 4.5
Erase Securely 4056 2140 53% 0.00 2004 1873 93% 1.7
Number Trick 1457 252 17% 0.00 299 175 59% 7.0
Pinball 545 92 17% 0.07 103 43 42% 7.9
Planting Trees 7377 3599 49% 0.00 3154 2852 90% 1.8
Robert Hood 2148 609 28% 0.02 452 330 73% 4.8
Timebomb 2179 1131 52% 0.00 1083 1024 95% 1.8
Virus Replication 3150 746 24% 0.00 704 564 80% 4.3