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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. #include <list>
  5.  
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.     list<int> data{1, 2, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 6};
  11.  
  12.     for (auto i = data.begin(); i != data.end();)
  13.     {
  14.         auto n = std::next(i);
  15.  
  16.         if (n == data.end())
  17.             break;
  18.  
  19.         if (*i == *n)
  20.         {
  21.             i = data.erase(i);
  22.             i = data.erase(i);
  23.         }
  24.         else
  25.         i++;
  26.     }
  27.  
  28.     for (auto x : data)
  29.         cout << x << " ";
  30.  
  31.     cout << endl;
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0s 2984KB
comments (?)
stdin 
Standard input is empty
stdout 
1 2 3 4 5 6
https://ideone.com/LhxWsA
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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