go 有向简单图 十字链表

package main

import "fmt"

type CrossEdgeNode struct {
   tailVex int // 尾顶点
   headVex int // 头顶点
   headLink *CrossEdgeNode // 头顶点链表
   tailLink *CrossEdgeNode // 尾顶点链表
}

type CrossVertexNode struct {
   firstIn *CrossEdgeNode // 头顶点链表头部
   firstOut *CrossEdgeNode // 尾顶点链表尾部
   data interface{}
}

type CrossGraph struct {
   CrossList []CrossVertexNode
   numVertexes, numEdges int
}

func CreateCrossGraph(g *CrossGraph)  {
   var i,j int

   fmt.Println("输入顶点数和边数")
   _, err := fmt.Scan(&g.numVertexes, &g.numEdges)
   if err != nil {
      panic(err)
   }
   g.CrossList = make([]CrossVertexNode, g.numVertexes)
   // 读入顶点信息
   for i := 0; i < g.numVertexes; i++ {
      _, err = fmt.Scan(&g.CrossList[i].data)
      if err != nil {
         panic(err)
      }

   }
   // 建立边表
   for k := 0; k < g.numEdges; k++ {
      fmt.Println("输入边(vi, vj)上的顶点序号:")
      _, err = fmt.Scan(&i,&j)
      if err != nil {
         panic(err)
      }
      e := CrossEdgeNode{
         tailVex: i,
         headVex:j,
      }
      e.tailLink = g.CrossList[i].firstOut
      g.CrossList[i].firstOut = &e

      e.headLink = g.CrossList[j].firstIn

      g.CrossList[j].firstIn = &e

   }
}

func main() {

}