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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. //Ejemplo 4
  4. int main() {
  5. 	list <int> lista1;
  6. 	lista1.push_front(23);
  7. 	lista1.push_front(45);
  8. 	lista1.push_front(67);
  9. 	lista1.push_front(89);
  10. 	cout << lista1.size() << endl;
  11. 	list <int> :: iterator it;
  12. 	it = lista1.begin();
  13. 	while(it != lista1.end()){
  14. 		cout << *it << "  ";
  15. 		it++;
  16. 	}
  17. 	cout << endl;
  18. 	it = lista1.end(); it--;
  19. 	while(it != lista1.begin()){
  20. 		cout << *it << "  ";
  21. 		it--;
  22. 	}
  23. 	cout << *it << endl;
  24. 	it++;
  25.  
  26. 	lista1.insert(it, 3, 678);
  27. 	it = lista1.begin();
  28. 	while(it != lista1.end()){
  29. 		cout << *it << "  ";
  30. 		it++;
  31. 	}
  32. 	cout << endl;
  33. 	it--; it--;
  34.  
  35. 	lista1.erase(it);
  36. 	it = lista1.begin();
  37. 	while(it != lista1.end()){
  38. 		cout << *it << "  ";
  39. 		it++;
  40. 	}
  41. 	cout << endl;
  42.  
  43. 	return 0;
  44. }
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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4
89  67  45  23  
23  45  67  89
89  678  678  678  67  45  23  
89  678  678  678  67  23
https://ideone.com/nr2YXU
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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