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";
}
}How to loop through a set of pairs in c++
for (set<pair<int, int> >:: iterator it = a.begin(); it != a.end();/* blank */)
{
cout << it->first << " " << it->second << endl;
if (freq[it->first] == 1 || freq[it->second] == 1)
{
it = a.erase(it);
removed = true;
}
else
{
++it;
}
}Copyright © 2021 Codeinu
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