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  1. #include <iostream>
  2. #include <map>
  3.  
  4. void printMultimap(const std::multimap<int, int>& multiMap)
  5. {
  6.     std::cout << "MultiMap:\n";
  7. 	for (const auto& pair : multiMap)
  8. 	{
  9. 		std::cout << pair.first << ":" << pair.second << "\n";
  10. 	}
  11. }
  12.  
  13. int main()
  14. {
  15. 	std::multimap<int, int> multiMap;
  16. 	multiMap.insert(std::make_pair(1, 1));
  17. 	multiMap.insert(std::make_pair(1, 2));
  18. 	multiMap.insert(std::make_pair(2, 3));
  19. 	multiMap.insert(std::make_pair(2, 4));
  20. 	multiMap.insert(std::make_pair(2, 5));
  21. 	multiMap.insert(std::make_pair(3, 1));
  22.  
  23. 	printMultimap(multiMap);
  24.  
  25. 	auto range = multiMap.equal_range(2);
  26. 	for (auto iterator = range.first; iterator != range.second;)
  27. 	{	
  28. 		if (iterator->second != 4)
  29. 		{
  30. 			multiMap.insert(std::make_pair(-1, iterator->second));
  31. 		}
  32. 		iterator = multiMap.erase(iterator);
  33. 	}
  34.  
  35. 	printMultimap(multiMap);
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 2988KB
comments (?)
stdin
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Standard input is empty
stdout
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MultiMap:
1:1
1:2
2:3
2:4
2:5
3:1
MultiMap:
-1:3
-1:5
1:1
1:2
3:1
https://ideone.com/0Pr6Qc
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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