CPP-STL/Map.cpp at master · subham-paul/CPP-STL · GitHub

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#include <iostream>
#include <map>
using namespace std;
int main()
{
    map<int, string> m;

    m[1] = "subham";
    m[13] = "kumar";
    m[2] = "paul";

    m.insert({5, "bheem"});

    cout << "before erase" << endl;
    for (auto i : m)
    {
        cout << i.first << " " << i.second << endl;
    }

    cout << "finding -13 -> " << m.count(-13) << endl;

    // m.erase(13);
    cout << "after erase" << endl;
    for (auto i : m)
    {
        cout << i.first << " " << i.second << endl;
    }
    cout << endl
         << endl;

    auto it = m.find(5);

    for (auto i = it; i != m.end(); i++)
    {
        cout << (*i).first << endl;
    }
}