fork download
copy 
  1. #include <list>
  2. #include <algorithm>
  3. #include <iostream>
  4. #include <iterator>
  5.  
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.     std::list<int> my_list;
  11.     my_list.push_back(3);
  12.     my_list.push_back(2);
  13.     my_list.push_back(3);
  14.     my_list.push_back(4);
  15.     my_list.push_back(5);
  16.     my_list.push_back(3);
  17.     my_list.push_back(7);
  18.  
  19.     int n = 0;
  20.  
  21.     cout << "Before removing:\n";
  22.     for(list<int>::iterator i=my_list.begin(); i!=my_list.end(); ++i, ++n)
  23.     {
  24.         cout << "list[" << n + 1 << "] " << *i << endl;
  25.     }
  26.  
  27.     int j = 0;
  28.     for(list<int>::reverse_iterator i=my_list.rbegin(); i!=my_list.rend();)
  29.     {
  30.         if(*i == 3)
  31.         {
  32.             cout << "iteration " << j + 1 << endl;
  33.             ++i;
  34.             my_list.erase(i.base());
  35.             ++j;
  36.         }
  37.         else
  38.             ++i;
  39.     }
  40.  
  41.     cout << "After removing:\n";
  42.     n = 0;
  43.     for(list<int>::iterator i=my_list.begin(); i!=my_list.end(); ++i, ++n)
  44.     {
  45.         cout << "list[" << n + 1 << "] " << *i << endl;
  46.     }
  47. }
Success #stdin #stdout 0.01s 2816KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Before removing:
list[1] 3
list[2] 2
list[3] 3
list[4] 4
list[5] 5
list[6] 3
list[7] 7
iteration 1
iteration 2
iteration 3
After removing:
list[1] 2
list[2] 4
list[3] 5
list[4] 7
https://ideone.com/8kpis
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!