//邻接矩阵
 #include<stdio.h>
 #include<string.h>
 int main()
 {
     int map[101][101];
     memset(map,0,sizeof(map));
     int u, v, w;
     int m, n ,i;
     scanf("%d %d",&m,&n);//m个点n条边
     for(i = 1;i <= n; i++)
     {
         scanf("%d %d %d",&u,&v,&w);
         map[u][v] = w;
         map[v][u] = w;
     }
     for(i = 1;i <=m; i++)
     {
         printf("与%d相关联的点有:\n",i);
         for(int j = 1;j <= n; j++)
         {
             if(map[i][j]!=0)
             printf("%d ",j);
         }
         printf("\n");
     }
     return 0;
 }

//邻接表
 #include<stdio.h>
 #include<string.h>
 #include<stdlib.h>
 
 #define M 101
 int head[M],t=0;
 
 struct node
 {
     int u,v,w;
     int next;
 }g[M];
 
 void init()
 {
     t=0;
     memset(head,-1,sizeof(head));
 }
 void add(int u,int v,int w)
 {
     g[t].u=u;
     g[t].v=v;
     g[t].w=w;
     g[t].next=head[u];
     head[u]=t;
     t++;
 }
 int main()
 {
     int m,n;
     int i, j;
     scanf("%d %d",&m,&n);
     int u,v,w;
     init();
     for(i = 1;i <= n; i++)
     {
         scanf("%d %d %d",&u,&v,&w);
         add(u,v,w);
         add(v,u,w);
     }
     for(i = 1;i <= m; i++)
     {
         printf("与%d相关联的点有:\n",i);
         for(j = head[i];j != -1;j = g[j].next)
         {
             printf("%d ",g[j].v);
         }
         printf("\n");
     }
     return 0;
 }

 //邻接表--链表
 #include<stdio.h>
 #include<string.h>
 #include<malloc.h>
 #define N 101
 
 struct node
 {
     int u,v,w;
     struct node *next;
 }*head[N];
 
 void init()
 {
     memset(head,NULL,sizeof(head));
 }
 void add(int u,int v,int w)
 {
     struct node *p = (struct node*)malloc(sizeof(struct node));
     p->v = v;
     p->w = w;
     p->next = head[u];
     head[u] = p;
 }
 
 int main()
 {
     int m,n;
     scanf("%d %d",&m,&n);
     init();
     int i;
     int u,w,v;
     for(i = 1;i <= n; i++)
     {
         scanf("%d %d %d",&u,&v,&w);
         add(u,v,w);
         add(v,u,w);
     }
     for(i = 1;i <= m; i++)
     {
         printf("与%d相关联的点有:\n",i);
         for(struct node *p = head[i];p != NULL;p=p->next)
         {
             printf("%d ",p->v);
         }
         printf("\n");
     }
     return 0;
 }
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posted on 2013-02-27 08:31  枫、  阅读(261)  评论(0编辑  收藏  举报