“`
include
include
include
include
using namespace std;
void test_list()
{
list l1;
l1.push_back(1);
l1.push_back(2);
l1.push_back(3);
l1.push_back(4);
l1.push_back(5);
l1.push_back(6);
l1.push_back(7);
list<int>::iterator it = l1.begin();
list<int>::iterator pos = find(l1.begin(), l1.end(), 5);
l1.erase(pos);
l1.insert(pos, 6);
l1.insert(pos, 7);
while (it != l1.end())
{
if ((*it) % 2 == 0)
{
l1.erase(it);
}
else
{
++it; //迭代器失效,相当于野指针
}
cout << *it << " ";
}
}
“
void VectorTest()
{
vector v;
v.push_back(1);
v.push_back(2);
v.push_back(3);
v.push_back(4);
v.push_back(5);
vector<int>::iterator pos = find(v.begin(), v.end(), 5);
v.insert(pos, 6);
v.insert(pos, 7);
vector<int>::iterator it = v.begin();
while (it != v.end())
{
cout << *it << " ";
++it;
}
vector<int>::const_iterator it = v.cbegin();
while (it != v.cend())
{
cout << *it << " ";
++it;
}
//while (it != v.end())
//{
// if ((*it) % 2 == 0)
// {
// v.erase(it);
// }
// else
// {
// ++it; //迭代器失效,相当于野指针
// }
// cout << *it << " ";
//}
}