69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/**************************************************************************
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*
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* set_s_di.cpp - Example program of set symmetric difference algorithm.
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*
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* $Id: set_sym_diff.cpp 550991 2007-06-26 23:58:07Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#include <algorithm> // for copy, set_symmetric_difference
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#include <set> // for set
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#include <iostream> // for cout, endl
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#include <iterator> // for ostream_iterator
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int main ()
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{
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// Initialize some sets.
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const int a1[] = { 1, 3, 5, 7, 9, 11 };
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const int a3[] = { 3, 5, 7, 8 };
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std::set<int, std::less<int>, std::allocator<int> >
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odd (a1 + 0, a1 + 6),
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result,
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smalll (a3 + 0, a3 + 4);
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// Create an insert_iterator for result.
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std::insert_iterator<std::set<int, std::less<int>, std::allocator<int> > >
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res_ins (result, result.begin ());
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// Demonstrate set_symmetric_difference.
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typedef std::ostream_iterator<int, char, std::char_traits<char> > Iter;
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std::cout << "The symmetric difference of:\n{";
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std::copy (smalll.begin (), smalll.end (), Iter (std::cout, " "));
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std::cout << "} with {";
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std::copy (odd.begin (),odd.end (), Iter (std::cout, " "));
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std::cout << "} =\n{";
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std::set_symmetric_difference (smalll.begin (), smalll.end (),
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odd.begin (), odd.end (), res_ins);
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std::copy (result.begin (), result.end (), Iter (std::cout, " "));
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std::cout << "}\n\n";
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return 0;
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}
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