C++ map loop through key value

Cpp map iterate over keys

#include <iostream>
#include <map>

int main()
{
    std::map<std::string, int> myMap;

    myMap["one"] = 1;
    myMap["two"] = 2;
    myMap["three"] = 3;

    for ( const auto &myPair : myMap ) {
        std::cout << myPair.first << "\n";
    }
}

Source: stackoverflow.com

Loop through map c++

for (auto i = myMap.begin(); i != myMap.end(); ++i) {
  cout << i->first << ": " << i->second << endl;
  
}

C++ map loop through key value

#include <iostream>
#include <map>

int main() {
    std::map<std::string, int> myMap;

    myMap["one"] = 1;
    myMap["two"] = 2;
    myMap["three"] = 3;

    for ( const auto &[key, value]: myMap ) {
        std::cout << key << '\n';
    }
}

Source: stackoverflow.com

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