K2Zad3

#include <iostream>
#include <cctype>

using namespace std;

enum State { START, WORD, SPACE };

string acronym(string text);

int main()
{
    string input;
    cout << "Enter sentence: ";
    getline(cin, input);
    cout << "Acronym: " << acronym(input) << endl;
    return 0;
}

string acronym(string text)
{
    State st = START;
    string acr = "";
    if (isalpha(text[0]))
    {
        st = WORD;
        acr += toupper(text[0]);
    }
    else
    {
        st = SPACE;
    }
    for (int i = 1; i <= text.length(); i++)
    {
        if (st == SPACE)
        {
            if (isalpha(text[i]))
            {
                st = WORD;
                acr += toupper(text[i]);
            }
        }
        else if (st == WORD)
        {
             if (!isalpha(text[i]))
            {
                st = SPACE;
            }
        }
    }
    return acr;
}