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iterate through map c++

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Frantic Finch answered on March 8, 2020 Popularity 10/10 Helpfulness 4/10

answer iterate through map c++

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iterate through map c++

Comment

    for (auto i : m)
        cout << i.first << "   " << i.second
             << endl;

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++ iterate map

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Contributed on Jul 22 2021

Frantic Finch

0 Answers Avg Quality 2/10

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loop through map c++

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

Popularity 10/10 Helpfulness 9/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 09 2022

Selfish Seahorse

0 Answers Avg Quality 2/10

c++ map loop through key value

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#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';
    }
}

Popularity 10/10 Helpfulness 6/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Jan 12 2022

Michael Mainbird

0 Answers Avg Quality 2/10

cpp map iterate over keys

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#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";
    }
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Apr 08 2021

Wrong Whale

0 Answers Avg Quality 2/10

c++ map iterator

Comment

#include <iostream>
#include <map>
 
int main() {
  std::map<int, float> num_map;
  // calls a_map.begin() and a_map.end()
  for (auto it = num_map.begin(); it != num_map.end(); ++it) {
    std::cout << it->first << ", " << it->second << '\n';
  }
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: en.cppreference.com

Tags: c++

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Contributed on Mar 08 2020

Thoughtless Turkey

0 Answers Avg Quality 2/10

c++ iterate map

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// C++17 and above
for (auto const& [key, value] : map)
{
  // do something
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Apr 22 2022

Yair Shalom

0 Answers Avg Quality 2/10

c++ iterate map

Comment

// C++11 and onwards
for (auto const& keyValue : map)
{
  keyValue.first; // Key
  keyValue.second; // Value
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Dec 03 2021

DavidPgl

0 Answers Avg Quality 2/10

looping in map c++

Comment

void output(map<string, int> table)
{
       map<string, int>::iterator it;
       for (it = table.begin(); it != table.end(); it++)
       {
            //How do I access each element?  
       }
}

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Oct 13 2022

Hungry Hornet

0 Answers Avg Quality 2/10

iterate through map c++

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