othercnt.cpp

C++Primer 第四版 包括windows 平台下各章的例子程序

/*
 * 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: [phone]
*/ 

#include <iostream>
using std::cin;
using std::cout;
using std::endl;

int main()
{
    char ch;
    // initialize counters for each vowel
    int aCnt = 0, eCnt = 0, iCnt = 0, 
        oCnt = 0, uCnt = 0;
    int otherCnt = 0;  // count anything that isn't a vowel

    while (cin >> ch) {
        // if ch is a vowel, increment the appropriate counter
        switch (ch) {
            case 'a':
                ++aCnt;
                break;
            // remaining vowel cases as before
            case 'e':
                ++eCnt;
                break;
            case 'i':
                ++iCnt;
                break;
            case 'o':
                ++oCnt;
                break;
            case 'u':
                ++uCnt;
                break;
            default:
                ++otherCnt;
                break;
        }
    }
    // print results
    cout << "Number of vowel a: \t" << aCnt << '\n'
         << "Number of vowel e: \t" << eCnt << '\n'
         << "Number of vowel i: \t" << iCnt << '\n'
         << "Number of vowel o: \t" << oCnt << '\n'
         << "Number of vowel u: \t" << uCnt << '\n'
         << "Total non-vowels : \t" << otherCnt << '\n';

    return 0;
}