Problems from Nordic Collegiate Programming Contest (NCPC) 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Boiling Vegetables 638 256 40% 0.00 241 198 82% 3.4
Cliff Walk 46 22 48% 0.01 25 20 80% 6.9
Dance Reconstruction 129 25 19% 0.00 35 24 69% 6.8
Dartboard 401 123 31% 0.00 112 93 83% 4.8
Erase Securely 3419 1834 54% 0.00 1723 1609 93% 1.6
Number Trick 1107 194 18% 0.00 249 140 56% 7.0
Pinball 537 88 16% 0.07 101 42 42% 7.9
Planting Trees 6476 3116 48% 0.00 2765 2490 90% 2.1
Robert Hood 1982 528 27% 0.02 407 292 72% 5.0
Timebomb 1910 998 52% 0.00 955 904 95% 1.7
Virus Replication 2728 665 24% 0.00 619 499 81% 4.0