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

Similar codes

2 votes288 views1 answer
Qstring mid
C++
0 vote317 views1 answer
Columntransformer onehotencoder
C++
0 vote307 views1 answer
Unordered_set to vector
C++
9 votes311 views2 answers
C++ for in
C++
0 vote332 views1 answer
Lcm function c++
C++
-2 votes299 views2 answers
C++ random float
C++
1 vote303 views2 answers
Scope resolution operator in c++
C++
0 vote295 views1 answer
C++ include a file in another directory
C++
0 vote334 views1 answer
Sweetalert2 email and password
C++
2 votes320 views1 answer
Excel vba delete worksheet if exists
C++