....

从图中的某顶点V出发，访问此顶点，然后依次从V的各个未被访问的邻接点出发，深度优先搜索遍历图，如果发现不能到达目标解，就返回上一个节点，然后从另一条路开始走到底，直到图中所有与V路径想通的顶点都被访问到，这种尽量往深处走的概念既是深度优先搜索。 简略代码：const int MAXN=1000+10; 需使用的变量： vector<int> g[MAXN];//存储边 bool visited

F - Oil Deposits Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u SubmitStatus Description The GeoSurvComp geologic survey company is responsible for detecting undergrou

G - Red and Black Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u SubmitStatus Description There is a rectangular room, covered with square tiles. Each tile is colored

Description Super scholar robs the all homework of others.The monitor decides to combat with the super scholar so as to help students to get back the homework.But super scholar lives in a castle b