46. ​​

[Remember, only iterators can be used to operate in the list linked list, and the + symbol cannot be used in the process of deletion]

#include
#include
using namespace std;
int main()
{
int i = 0;
list list_a(13);
list::iterator it;
for (it=list_a.begin();it!=list_a.end();it++)
{
     i++;
     cout << "Please enter the first"<< i<< "Data" << endl;
    cin >> *it;
   }
for (it = list_a.begin(); it != list_a.end(); it++)
{
int j = 0;
if (*it == 3)
{
list_a.erase(it, it);
}
else
else
{
        cout << *it << " ";
    }
  }
  return 0;

}