merge1.cpp

stl自带源码

/* 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 "algostuff.hpp"
using namespace std;

int main()
{
    list<int> coll1;
    set<int> coll2;

    // fill both collections with some sorted elements
    INSERT_ELEMENTS(coll1,1,6);
    INSERT_ELEMENTS(coll2,3,8);

    PRINT_ELEMENTS(coll1,"coll1:  ");
    PRINT_ELEMENTS(coll2,"coll2:  ");

    // print merged sequence
    cout << "merged: ";
    merge (coll1.begin(), coll1.end(),
           coll2.begin(), coll2.end(),
           ostream_iterator<int>(cout," "));
    cout << endl;
}