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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	vector<int> v;
  9. 	for(int i = 0; i < 5; ++i)
  10. 	{
  11. 		v.push_back(i);
  12. 	}
  13.  
  14. 	cout << "variant 1:" << endl;
  15. 	for(vector<int>::iterator current = v.end();
  16. 		current != v.begin();
  17. 		/* nothing */)
  18. 	{
  19. 		--current;
  20. 		cout << *current << endl;
  21. 	}
  22.  
  23. 	cout << "variant 2:" << endl;
  24. 	for(vector<int>::iterator current = --v.end();
  25. 		current != v.begin();
  26. 		/* nothing */)
  27. 	{
  28. 		--current;
  29. 		cout << *current << endl;
  30. 	}
  31.  
  32. 	cout << "variant 3:" << endl;
  33. 	for(vector<int>::iterator current = --v.end();
  34. 		current != v.begin();
  35. 		--current)
  36. 	{
  37. 		cout << *current << endl;
  38. 	}
  39.  
  40. 	return 0;
  41. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin
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Standard input is empty
stdout
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variant 1:
4
3
2
1
0
variant 2:
3
2
1
0
variant 3:
4
3
2
1
https://ideone.com/J1Gd2k
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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