problema2

void problema2(const char *input_file_name, const char *output_file_name)
{
    int sem = 0;
    int cuv = 0;
    ifstream fin(input_file_name);
    ofstream fout(output_file_name);
    char s[2001];
    char chr[] = ".,-;:'\"()...?!";
    while ( fin.getline(s, 2000) )
    {
        for (unsigned int i = 0 ; i<strlen(s) ; i++)
        {
            if ((s[i] >= '1' && s[i] <= '9') || (s[i] >= 'a' &&  s[i] <= 'z') || (s[i] >= 'A' && s[i] <= 'Z'))
            {
                cuv++;
                while ((s[i] >= '1' && s[i] <= '9') || (s[i] >= 'a' &&  s[i] <= 'z') || (s[i] >= 'A' && s[i] <= 'Z'))
                    i++;
            }
            if ( strchr(chr, s[i]) &&  (i+2 < strlen(s)))//s[i+1] != NULL && s[i+2] != NULL)
            {
                if (s[i] == '.' && s[i + 1] == '.' && s[i + 2] == '.')
                    i = i + 2;
                sem++;
            }
        }
    }
    fout << cuv << '\n';
    fout << sem << '\n';
}