CCC 2009 Junior Problem 4

#include <iostream>
#include <string>

using namespace std;

int main()
{
    int w;
    cout << "Enter w: ";
    cin >> w;

    string words[6] = {"WELCOME", "TO", "CCC", "GOOD", "LUCK", "TODAY"};

    for (int i = 0, j = 0; i < 6 && j < 6; ++i)
    {
        string line = "";
        int wordsThisLine = 0;

        for (; j < 6; ++j)
        {
            if (line.length() + words[j].length() <= w) line += words[j] + ".";
            else break;
            ++wordsThisLine;
        }

        line = line.substr(0, line.length() - 1);

        if (wordsThisLine > 1)
        {
            for (int q = 0; line.length() < w; ++q)
            {
                if (q >= line.length()) q = 0;

                if (line[q] == '.')
                {
                    line.insert(q, ".");
                    ++q;
                }
            }
        }

        cout << line << endl;
    }

    return 0;
}