Question

How to check if a map is empty in C++

Answer 1

#include <iostream>
#include <string>
#include <map>
  
int main ()
{
    std::map<char, int> mp;

    if (mp.empty())
      std::cout << "Empty";
    else
      std::cout << "Not Empty";
     
    return 0;
}
  
  
  
/*
run:
  
Empty
  
*/

 

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