cimforreduceloss/testHasttable/topologytest.cpp

91 lines
1.8 KiB
C++

#include "topologytest.h"
#include <iostream>
TopologyTest::TopologyTest(int nodeN):nodeN(nodeN),access(nodeN)
{
}
TopologyTest::~TopologyTest()
{
}
bool TopologyTest::start(const QList<QPair<int,int> >& linkage)
{
//先建立所有的连接关系
QHash<int,QVector<int> > arch;
for(
QList<QPair<int,int> >::const_iterator ite=linkage.begin();
ite!=linkage.end();
ite++
)
{
// int f=(*ite).first-1;
// int s=(*ite).second-1;
// std::cout<<f<<" to "<<s<<std::endl;
arch[(*ite).first-1].push_back((*ite).second-1);
arch[(*ite).second-1].push_back((*ite).first-1);
}
//开始找
bool flag=true;
// QList<int> keys=arch.keys();
for(int outer=0;
outer<this->nodeN;
outer++)
{
if(!flag)
{
break;
}
for(int i=0;i<this->nodeN;i++)
{
this->access[i]=-100;
}
int n=outer;
this->next(n,arch);
//检查一下
for(int i=0;i<this->nodeN;i++)
{
if(this->access[i]==-100)
{
flag=false;
break;
}
}
}
if(!flag)
{
std::cout<<"no!!"<<std::endl;
for(int i=0;i<this->access.length();i++)
{
if(this->access.at(i)==-100)
{
std::cout<<i+1<<",";
}
}
std::cout<<std::endl;
}
// else
// {
// std::cout<<"yes!!"<<std::endl;
// }
return flag;
}
void TopologyTest::next(int start,QHash<int,QVector<int> > &arch)
{
if(this->access[start]==100)
return;
// std::cout<<"fw "<<start<<std::endl;
this->access[start]=100;
QVector<int> nextNode=arch[start];
for(int i=0;i<nextNode.length();i++)
{
this->next(nextNode.at(i),arch);
}
}