遍历
for(auto it:vs)
{
cout<<it<<endl;
}
正向迭代器
for(auto it=vs.begin();it!=vs.end();it++)
{
cout<<*it<<endl;
}
反向迭代器
for(auto it=vs.rbegin();it!=vs.rend();++it)
{
cout<<*it<<endl;
}
for(auto it:vs)
{
cout<<it<<endl;
}
for(auto it=vs.begin();it!=vs.end();it++)
{
cout<<*it<<endl;
}
for(auto it=vs.rbegin();it!=vs.rend();++it)
{
cout<<*it<<endl;
}