87 lines
3 KiB
C++
87 lines
3 KiB
C++
#include "stlexam.h"
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#pragma hdrstop
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/**************************************************************************
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*
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* accum.cpp - Example program for accumulate. See Class Reference Section
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*
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***************************************************************************
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*
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* (c) Copyright 1994, 1998 Rogue Wave Software, Inc.
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* ALL RIGHTS RESERVED
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*
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* The software and information contained herein are proprietary to, and
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* comprise valuable trade secrets of, Rogue Wave Software, Inc., which
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* intends to preserve as trade secrets such software and information.
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* This software is furnished pursuant to a written license agreement and
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* may be used, copied, transmitted, and stored only in accordance with
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* the terms of such license and with the inclusion of the above copyright
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* notice. This software and information or any other copies thereof may
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* not be provided or otherwise made available to any other person.
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*
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* Notwithstanding any other lease or license that may pertain to, or
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* accompany the delivery of, this computer software and information, the
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* rights of the Government regarding its use, reproduction and disclosure
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* are as set forth in Section 52.227-19 of the FARS Computer
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* Software-Restricted Rights clause.
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*
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
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* Technical Data and Computer Software clause at DFARS 252.227-7013.
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* Contractor/Manufacturer is Rogue Wave Software, Inc.,
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* P.O. Box 2328, Corvallis, Oregon 97339.
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*
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* This computer software and information is distributed with "restricted
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* rights." Use, duplication or disclosure is subject to restrictions as
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* set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
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* Computer Software-Restricted Rights (April 1985)." If the Clause at
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* 18-52.227-74 "Rights in Data General" is specified in the contract,
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* then the "Alternate III" clause applies.
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*
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**************************************************************************/
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#include <compnent.h>
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#include <numeric> // For accumulate.
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#include <vector> // For vector.
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#include <functional> // For multiplies.
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#ifdef _RW_STD_IOSTREAM
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#include <iostream>
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#else
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#include <iostream.h>
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#endif
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int main ()
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{
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#ifndef _RWSTD_NO_NAMESPACE
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using namespace std;
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#endif
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//
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// Typedef for vector iterators.
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//
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typedef vector<int,allocator<int> >::iterator iterator;
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//
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// Initialize a vector using an array of integers.
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//
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int d1[10] = {1,2,3,4,5,6,7,8,9,10};
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vector<int,allocator<int> > v1(d1+0, d1+10);
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//
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// Accumulate sums and products.
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//
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int sum = accumulate(v1.begin(), v1.end(), 0);
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int prod = accumulate(v1.begin(), v1.end(), 1, multiplies<int>());
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//
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// Output the results.
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//
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cout << "For the series: ";
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for(iterator i = v1.begin(); i != v1.end(); i++)
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cout << *i << " ";
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cout << " where N = 10." << endl;
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cout << "The sum = (N*N + N)/2 = " << sum << endl;
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cout << "The product = N! = " << prod << endl;
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return 0;
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}
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