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  1. #include <iostream>
  2. #include <string>
  3. #include <map>
  4.  
  5. bool insert( const std::string &key , const int value , std::map<std::string , int> &m );
  6.  
  7. int main()
  8. {
  9. 	// your code goes here
  10. 	std::map<std::string,int> m;
  11. 	m["apple"] = 1;
  12. 	m["grape"] = 2;
  13.  
  14. 	insert( "orange" , 1 , m );
  15.  
  16. 	insert( "apple" , 3 , m );
  17.  
  18. 	insert( "orange" , 3 , m );
  19.  
  20. 	for( const auto &it : m )
  21. 		std::cout << it.first << " = " << it.second << std::endl;
  22. 	return 0;
  23. }
  24.  
  25. bool insert( const std::string &key , const int value , std::map<std::string , int> &m )
  26. {
  27. 	bool found = false;
  28. 	if( m.find(key) != m.end() )
  29. 	{
  30. 		found = true;
  31. 	}
  32. 	else
  33. 	{
  34. 		for( const auto &it : m ) //for( std::map<std::string,int>::iterator it = m.begin() , it != m.end(); ++it )
  35. 		{
  36. 			if( it.second == value )
  37. 			{
  38. 				found = true;
  39. 			}
  40. 		}
  41. 	}
  42.  
  43. 	if( !found )
  44. 	{
  45. 		m[key] = value;
  46. 		std::cout << "The item was added" << std::endl;
  47. 	}
  48. 	else
  49. 	{
  50. 		std::cout << "The item was not added" << std::endl;
  51. 	}
  52.  
  53. 	return( found );
  54. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin 
Standard input is empty
stdout 
The item was not added
The item was not added
The item was added
apple = 1
grape = 2
orange = 3
https://ideone.com/si2gXt
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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