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scores.cpp
Package: CppPrimer.rar [view]
Upload User: qdkongtiao
Upload Date: 2022-06-29
Package Size: 356k
Code Size: 2k
Category:
source in ebook
Development Platform:
Visual C++
- /*
- * 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"
- #include <ctime>
- int main() {
- vector<int> scores;
- // populate with random values
- for (vector<int>::size_type i = 0; i != 10; ++i)
- scores.push_back(rand());
- // print what we got
- for (vector<int>::size_type i = 0; i != 10; ++i)
- cout << scores[i] << " ";
- cout << endl;
- // put top 3 scorse at the front of the vector
- partial_sort(scores.begin(),
- scores.begin() + 3, scores.end());
- // use nth_element to find the median score
- nth_element(scores.begin(),
- scores.begin() + scores.size()/2, scores.end());
- cout << "median value " << *(scores.begin() + scores.size()/2) << endl;
- for (vector<int>::size_type i = 0; i != 10; ++i)
- cout << scores[i] << " ";
- cout << endl;
- }