Rastojanie megju zborovi

// Da se najde rastojanie megju dva zbora vo tekst.

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char text[500], firstWord[100], secondWord[100], currentWord[100];
    int n = 0, p = 0, firstWordLength = 0, secondWordLength = 0, firstIndex[50], secondIndex[50], firstIndex_n = 0, secondIndex_n = 0;

    cout << "Vnesi tekst: ";
    cin.getline(text, 500);
    cout << "Vnesi zbor: ";
    cin >> firstWord;
    cout << "Vnesi zbor: ";
    cin >> secondWord;
    cout << endl;

    if (strcmp(firstWord, secondWord) == 0)
    {
        cout << "Zborovite ne mozhe da bidat isti!" << endl;
        return 1;
    }

    firstIndex[0] = secondIndex[0] = -1;

    do {
        firstWordLength++;
    } while (firstWord[firstWordLength] != '\0');

    do {
        secondWordLength++;
    } while (secondWord[secondWordLength] != '\0');

    for (int i = 0;;++i)
    {
        if (text[i] == '\0')
        {
            currentWord[n] = '\0';

            if (strcmp(firstWord, currentWord) == 0)
            {
                firstIndex[firstIndex_n++] = i + 1 - p - firstWordLength;
            }
            else if (strcmp(secondWord, currentWord) == 0)
            {
                secondIndex[secondIndex_n++] = i + 1 - p - secondWordLength;
            }

            break;
        }
        else if (!(text[i] == ',' || text[i] == '.' || text[i] == ';' || text[i] == ':' || text[i] == '!' || text[i] == '?'))
        {
            if (text[i] == ' ')
            {
                currentWord[n] = '\0';

                if (strcmp(firstWord, currentWord) == 0)
                {
                    firstIndex[firstIndex_n++] = i + 1 - p - firstWordLength;
                }
                else if (strcmp(secondWord, currentWord) == 0)
                {
                    secondIndex[secondIndex_n++] = i + 1 - p - secondWordLength;
                }

                n = 0;
            }
            else
            {
                currentWord[n++] = text[i];
                p = 0;
            }
        }
        else
        {
            p++;
        }
    }

    if (firstIndex[0] == -1 || secondIndex[0] == -1)
    {
        cout << "Nekoj od zborovite (ili dvata) ne se pojavuva vo tekstot!" << endl;
        return 0;
    }

    for (int i = 0; i < firstIndex_n; ++i)
    {
        for (int j = 0; j < secondIndex_n; ++j)
        {
            if (firstIndex[i] > secondIndex[j])
            {
                cout << "Rastojanieto megju prviot i vtoriot zbor e " << firstIndex[i] - (secondIndex[j] + secondWordLength) << endl;
            }
            else
            {
                cout << "Rastojanieto megju prviot i vtoriot zbor e " << secondIndex[j] - (firstIndex[i] + firstWordLength) << endl;
            }
        }
    }

    return 0;
}