Christmas Trees - Christmas Special

A Christmas special about trees. The hardest problem may be very hard!


Problems

Problem Points AC Rate Users
Is it a Tree? 7p 31.4% 201
Tree Cutting 15p 35.5% 81
Mine and Tree 40p 17.7% 58

Comments


  • 9
    quantum  commented on Dec. 25, 2014, 4:24 p.m.