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#include<stdio.h>#include<stdlib.h>#defineMAX_NUM 20//顶点最大个数typedefstructArcCell{intadj;//用1和0表示顶点是否相邻}ArcCell,AdjMatrix[MAX_NUM][MAX_NUM];typedefstruct{intvexs[MAX_NUM];//顶点向量AdjMatrix arcs;//邻接矩阵intvnum,anum;//图的当前顶点数和弧数}MGraph;intLocateVex(MGraph G,intv1){for(inti=G.vnum-1;G.vexs[i]!=v1;i--)returni;}intCreate(MGraph&G){//采用数组（邻接矩阵）表示法，构造无向网Gintv1,v2,i,j,k;//弧的顶点printf("输入顶点\n");for(i=0;i<G.vnum;++i)scanf("%d",&G.vexs[i]);//构造顶点向量for(i=0;i<=G.vnum;++i)//初始化邻接矩阵for(j=0;j<=G.vnum;++j)G.arcs[i][j]={0};printf("输入边\n");for(k=0;k<G.anum;++k){//构造邻接矩阵scanf("%d%d",&v1,&v2);//输入一条边的两个顶点//i=LocateVex(G,v1); j=LocateVex(G,v2); //确定v1,v2在G中的位置G.arcs[v1][v2].adj=1;G.arcs[v2][v1]=G.arcs[v1][v2];//置<v1,v2>的对称弧<v2,v1>}return1;}voiddisp(MGraph G){//输出矩阵intj;for(inti=1;i<=G.vnum;i++){for(j=1;j<=G.vnum;j++){printf("%d ",G.arcs[i][j].adj);if(j==G.vnum)printf("\n");}}}intmain(){intvnum1,anum1;MGraph G;printf("输入顶点数\n");scanf("%d",&vnum1);printf("输入弧数\n");scanf("%d",&anum1);G.vnum=vnum1;G.anum=anum1;Create(G);disp(G);}