Re: Accelerated C++ Exercise 3-4 Solution Question

From:
mzdude <jsanga@cox.net>
Newsgroups:
comp.lang.c++.moderated
Date:
Tue, 31 Mar 2009 21:13:58 CST
Message-ID:
<4cb5374a-87c9-4432-be48-7715830a58ee@f41g2000pra.googlegroups.com>
On Mar 31, 5:57 am, "bwai...@yahoo.com" <bwai...@yahoo.com> wrote:

I'm in the process of working my way through Accelerated C++, so far
I'm finding the book to be an excellent read. Thanks for the
suggestion in the FAQ.


Good for you.

Note: The book has not introduced functions yet, so I am not using any
in my solution.


If you have coded in C then you are still allowed to use functions
in C++ :)

#include <iostream>
#include <string>
#include <vector>

using std::cout;
using std::cin;
using std::endl;
using std::vector;
using std::string;
using std::sort;


a matter of style. Most would either just say using namespace std
or fully qualify each std function.

int
main() {

        vector<string> sVec;
        vector<int> iVec;

don't declare vars until you need them. Move iVec down until
after all the input occurs.

        string x;

        // sVec contains all the strings
        while (cin >> x)
                sVec.push_back(x);

        // check vector string size
        vector<string>::size_type vectorsize;
        vectorsize = sVec.size();

I would use iterators to move through the vector

        // string::size_type stringsize;
         for (unsigned int i = 0; i < vectorsize; ++i) {
                iVec.push_back(sVec[i].size());
        }


          for( vector<string>::iterator i=sVec.begin(); i!=sVec.end(); +
+i)
              iVec.push_back(i->size());
a matter of style (I don't use {} for single lines

        // check vector integer size
        vector<int>::size_type iVectorsize;
         iVectorsize = iVec.size();

         sort(iVec.begin(), iVec.end());
         cout << "min: " << iVec[0] << endl
             << "max: " << iVec[iVectorsize-1] << endl;

Instead of indexing, I would have used iVec.front() and iVec.back()
to retrieve the first and last element of a vector.

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