Sort a list

Thu Nov 13, 2008 6:12 pm

List sorting in C++
cpp code
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include <iostream>
#include <list>
#include <algorithm>
#include <iterator>
using namespace std;

void printLists (const list<int>& l1, const list<int>& l2)
{
cout << "list1: ";
copy (l1.begin(), l1.end(), ostream_iterator<int>(cout," "));
cout << endl << "list2: ";
copy (l2.begin(), l2.end(), ostream_iterator<int>(cout," "));
cout << endl << endl;
}

int main()
{
// create two empty lists
list<int> list1, list2;

// fill both lists with elements
for (int i=0; i<6; ++i) {
list1.push_back(i);
list2.push_front(i);
}
printLists(list1, list2);

// sort second list
list2.sort();

printLists(list1, list2);

}

/*
list1: 0 1 2 3 4 5
list2: 5 4 3 2 1 0

list1: 0 1 2 3 4 5
list2: 0 1 2 3 4 5


*/




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