69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/**************************************************************************
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*
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* mismatch.cpp - Example program of comparing elements from two sequences
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* and returning the first two elements that don't
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* match each other.
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*
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* $Id: mismatch.cpp 648752 2008-04-16 17:01:56Z faridz $
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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> // mismatch
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#include <functional> // less_equal
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#include <iostream> // cout, endl
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#include <utility> // pair
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#include <vector> // vector
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#include <examples.h>
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int main ()
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{
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typedef std::vector<int, std::allocator<int> > Vector;
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typedef Vector::const_iterator Iter;
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const Vector::value_type d1[] = { 1, 2, 3, 4 };
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const Vector::value_type d2[] = { 1, 3, 2, 4 };
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// Set up two vectors.
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const Vector vi1 (d1 + 0, d1 + sizeof d1 / sizeof *d1);
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const Vector vi2 (d2 + 0, d2 + sizeof d2 / sizeof *d2);
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// p1 will contain two iterators that point to the first pair of
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// elements that are different between the two vectors.
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std::pair<Iter, Iter> p1 =
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std::mismatch (vi1.begin (), vi1.end (), vi2.begin ());
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// Find the first two elements such that an element in the
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// first vector is greater than the element in the second vector.
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std::pair<Iter, Iter> p2 =
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std::mismatch (vi1.begin (), vi1.end (),
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vi2.begin (), std::less_equal<int>());
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// Output results.
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std::cout << *p1.first << ", " << *p1.second << std::endl;
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std::cout << *p2.first << ", " << *p2.second << std::endl;
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return 0;
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}
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