Write a program to find the calculate frequency of characters in string in c++ program

Statement: find the calculated frequency of characters in a string in c++ program

Input :    Enter the String 

                programming

Output:

Program: 

#include <iostream>

#include <unordered_map>

using namespace std;

void occurChar(string s)

{

    unordered_map<char, int> m;

    for (int i = 0; i < s.size(); i++)

    {

        m[s[i]]++;

    }

    cout << "Count the character " << endl;

    for (auto j : m)

    {

        if (j.first > 0)

        {

            cout << j.first << " " << j.second << endl;

        }

    }

}

int main()

{

    string str;

    cout << "Enter the String " << endl;

    cin >> str;

    occurChar(str);

    return 0;

}