Question

How to iterate map using auto in C++

Answer 1

#include <iostream>
#include <map>

int main() {
    std::map<int, std::string> mp = {{1, "c++"}, {2, "games"}, {3, "desktop"}, {4, "programming"}};

    for (const auto& pair : mp) {
        std::cout << pair.first << ": " << pair.second << std::endl;
    }
}



/*
run:

1: c++
2: games
3: desktop
4: programming

*/

 

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