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@ -65,7 +65,54 @@ struct list {
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```
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代码:
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```
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int num2=0;
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void Dijkstra(int v1,int v2){
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int dist[MAX],s[MAX],path[MAX];//s判断v1是否已经判断最短路径,path前驱
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int min,i,j,u,pre;
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for(i=0;i<nm.n;i++){
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dist[i]=cont[v1][i];
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s[i]=0;
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if(cont[v1][i]<MAX) path[i]=v1;
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else path[i]=-1;
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}//初始化操作
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s[v1]=1;
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path[v1]=0;
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for(i=0;i<nm.n;i++){
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min=MAX;
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u=-1;
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for(j=0;j<nm.n;j++){
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if(s[j]==0&&dist[j]<min){
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u=j;
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min=dist[j];
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}
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}
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if(u!=-1){
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s[u]=1;
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for(j=0;j<nm.n;j++)
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if(s[j]==0){
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if(cont[u][j]<MAX&&dist[u]+cont[u][j]<dist[j]){
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dist[j]=dist[u]+cont[u][j];
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path[j]=u;
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}
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}
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}
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}
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printf("智能推荐路线如下(逆序):\n");
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for(i=0;i<nm.n;i++){
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if(i!=v1&&i==v2){
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if(s[i]==1){
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num2=dist[i];
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pre=i;
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while(pre!=v1){
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printf("%s-->",nm.adjust[pre].name);
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pre=path[pre];
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}
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printf("%s",nm.adjust[pre].name);
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}
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else printf("路径不存在!\n");
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}
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}
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}
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##概要设计
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1. 定义了一个结构体list,包含了地铁站点信息和邻接表。
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