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//Download by http://www.NewXing.com /* * This file contains code from "C++ Primer, Fourth Edition", by Stanley B. * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the * copyright and warranty notices given in that book: * * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo." * * * "The authors and publisher have taken care in the preparation of this book, * but make no expressed or implied warranty of any kind and assume no * responsibility for errors or omissions. No liability is assumed for * incidental or consequential damages in connection with or arising out of the * use of the information or programs contained herein." * * Permission is granted for this code to be used for educational purposes in * association with the book, given proper citation if and when posted or * reproduced.Any commercial use of this code requires the explicit written * permission of the publisher, Addison-Wesley Professional, a division of * Pearson Education, Inc. Send your request for permission, stating clearly * what code you would like to use, and in what specific way, to the following * address: * * Pearson Education, Inc. * Rights and Contracts Department * 75 Arlington Street, Suite 300 * Boston, MA 02216 * Fax: (617) 848-7047 */ #include "algs_preamble.h" int main() { vector<int> vec; istream_iterator<int> in(cin), eof; copy (in, eof, back_inserter(vec)); // sorts vec in ``normal'' order sort(vec.begin(), vec.end()); vector<int> vec2(vec); // sorts in reverse: puts smallest element at the end of vec sort(vec.rbegin(), vec.rend()); ostream_iterator<int> out(cout, " "); copy(vec.begin(), vec.end(), out); // reverse sort cout << endl; copy(vec2.begin(), vec2.end(), out); // forward sort cout << endl; // it refers to the first element in vec vector<int>::iterator it = vec.begin(); // rev_it refers one before the first element in vec vector<int>::reverse_iterator rev_it(it); cout << *(rev_it.base()) << endl; // prints first element in vec // ways to print value at beginning of vec through it and rev_it cout << *it << endl; cout << *(rev_it.base()) << endl; cout << *(rev_it - 1) << endl; return 0; }