D - 釘 (Nails)

Contest Duration: 2012-02-12 10:00:00+0900 - 2012-02-12 14:00:00+0900 (local time) (240 minutes) Back to Home

D - 釘 (Nails) Editorial

/

Time Limit: 2.5 sec / Memory Limit: 512 MB

Source Name

JOI 2011/2012 本選問題4