UVa 143 Orchard Trees:数学&计算几何&枚举
                                UVa 143 Orchard Trees:数学&计算几何&枚举2014-07-22 csdn博客 synapse7143 - Orchard TreesTime limit: 3.000 secondshttp://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=79An Orchardi...