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我用的prim,怎么就错了啊???高手过来看看啊!~#include<stdio.h>
void main()
{
int vl[501][501];
int flag[501],p[501];
int m,n,i,j,min,k=0,g,max;
scanf("%d",&n);
while(n--)
{
g=0;
max=0;
scanf("%d",&m);
for(i=0;i<m;i++)
for(j=0;j<m;j++)
scanf("%d",&vl[i][j]);
flag[0]=1;
for(i=1;i<m;i++)
flag[i]=0;
while(g<m-1)
{
min=65537;
i=k;
for(j=0;j<m;j++)
{
if(vl[i][j]<=min&&(flag[j]==0))
{
min=vl[i][j];
k=j;
}
}
p[g++]=min;
flag[k]=1;
}
for(i=0;i<g;i++)
{
if(max<p[i])
max=p[i];
}
printf("%d\n",max);
}
}
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