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iterating unordered_map c++

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sagar3745 answered on January 16, 2022 Popularity 9/10 Helpfulness 2/10

answer iterating unordered_map c++

related iterating in map/unordered map c++

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iterating unordered_map c++

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// CPP program to traverse a map using iterators
#include <bits/stdc++.h>
using namespace std;
 
int main()
{
    int arr[] = { 1, 1, 2, 1, 1, 3, 4, 3 };
    int n = sizeof(arr) / sizeof(arr[0]);
 
    map<int, int> m;
    for (int i = 0; i < n; i++)
        m[arr[i]]++;
 
    cout << " Element Frequency" << endl;
    for (auto i = m.begin(); i != m.end(); i++)
        cout << i->first << "      " << i->second
             << endl;
 
    return 0;
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Feb 07 2023

sagar3745

0 Answers Avg Quality 2/10

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iterating in map/unordered map c++

Comment

// CPP program to traverse a unordered_map using
// range based for loop
#include <bits/stdc++.h>
using namespace std;
 
int main()
{
    int arr[] = { 1, 1, 2, 1, 1, 3, 4, 3 };
    int n = sizeof(arr) / sizeof(arr[0]);
 
    unordered_map<int, int> m;
    for (int i = 0; i < n; i++)
        m[arr[i]]++;
 
    cout << "Element Frequency" << endl;
    for (auto i : m)
        cout << i.first << "    " << i.second
             << endl;
             
   //OR using begin() and end()
   
   for (auto i = m.begin(); i != m.end(); i++)
        cout << i->first << "      " << i->second
             << endl;
 
    return 0;
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jan 16 2022

Dangerous Dogfish

0 Answers Avg Quality 2/10

iterating unordered_map c++

Comment

// CPP program to traverse a map using range
// based for loop
#include <bits/stdc++.h>
using namespace std;
 
int main()
{
    int arr[] = { 1, 1, 2, 1, 1, 3, 4, 3 };
    int n = sizeof(arr) / sizeof(arr[0]);
 
    map<int, int> m;
    for (int i = 0; i < n; i++)
        m[arr[i]]++;
 
    cout << "Element  Frequency" << endl;
    for (auto i : m)
        cout << i.first << "   " << i.second
             << endl;
 
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

Link to this answer
Share Copy Link

Contributed on Feb 07 2023

sagar3745

0 Answers Avg Quality 2/10

iterating unordered_map c++

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