HXX904的博客

问题：An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smallest to largest. For example, the sorted sequence A, B, C,...

（1）割点与桥（割边）的定义（只存在于无向图）割点：无向连通图中，去掉一个顶点及和它相邻的所有边，图中的连通分量数增加，则该顶点称为割点。桥（割边）：无向联通图中，去掉一条边，图中的连通分量数增加，则这条边，称为桥或者割边。（2）割点与桥（割边）的关系有割点不一定有桥,有桥一定存在割点；桥一定是割点依附的边。（3）判断是否为割点情况1：该点为根节点，那只要子节点数目超过1，...

问题：There areNNbombs needing exploding.Each bomb has three attributes: exploding radiusriri, position(xi,yi)(xi,yi)and lighting-costciciwhich means you need to paycicicost making it explod...