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注意边界比较,i==m时要判断我的程序的主要部分:
int Kruskal(){
int i,k,max=0;
init_set();
for(i=1,k=0;i<=m;i++)
if(find_father(edge[i].u)!=find_father(edge[i].v)){
union_set(edge[i].u,edge[i].v);
k++;
if(max<edge[i].w) max=edge[i].w;
if(k==n-1) return max;
}
}
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