// tally-alphabet
#include <iostream>
#include <vector>
using namespace std;
int main()
{
    string text;
    cout << "Enter text: ";
    getline(cin, text);
    // Could use 26 separate variables to count
    // each letter of the alphabet. Instead, use
    // a vector.
    vector<int> tally(26);

    // Loop through each char in text.
    for(unsigned int i = 0; i < text.size(); i++)
    {
        char c = text.at(i);
        c = toupper(c);
        if(c >= 'A' && c <= 'Z')  // or use isupper(c)
        {
            int pos = c - 'A';   // convert char to position
            tally.at(pos)++;     // increment that counter
        }
    }

    // Print the tally
    for(unsigned int i = 0; i < tally.size(); i++)
    {
        char c = 'A' + i;
        cout << c << ": " << tally.at(i) << endl;
    }

    return 0;
}

#include <iostream>
using namespace std;

void frog(int x, int& q)
{
    q = x * 3;
    cout << x + 1 << endl;
}

void pig(int y, float z)
{
    z = y * 0.2;
    cout << z << endl;
}

int main()
{
    int w = 9;
    int z = 6;
    frog(w, z);
    pig(z, 1.1);
    cout << w << endl;
    cout << z << endl;
    return 0;
}