Problems from Nordic Collegiate Programming Contest (NCPC) 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Boiling Vegetables 1285 505 39% 0.00 451 375 83% 3.5
Cliff Walk 53 27 51% 0.01 29 24 83% 6.5
Dance Reconstruction 155 34 22% 0.00 45 30 67% 6.9
Dartboard 465 154 33% 0.00 141 120 85% 4.3
Erase Securely 5352 2777 52% 0.00 2587 2416 93% 1.7
Number Trick 1642 283 17% 0.00 326 192 59% 7.0
Pinball 631 106 17% 0.07 115 49 43% 8.4
Planting Trees 11337 5152 45% 0.00 4360 3934 90% 1.9
Robert Hood 2811 824 29% 0.02 540 407 75% 4.5
Timebomb 2706 1417 52% 0.00 1335 1262 95% 1.8
Virus Replication 5082 1136 22% 0.00 1017 839 82% 3.5