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书中页数:P160
代码名称:vowels.cc othercnt.cc
//vowels.cc
#include <iostream>
using std::cin; using std::cout; using std::endl;
int main()
{
// initialize counters for each vowel
unsigned aCnt = 0, eCnt = 0, iCnt = 0, oCnt = 0, uCnt = 0;
char ch;
while (cin >> ch) {
// if ch is a vowel, increment the appropriate counter
switch (ch) {
case 'a':
++aCnt;
break;
case 'e':
++eCnt;
break;
case 'i':
++iCnt;
break;
case 'o':
++oCnt;
break;
case 'u':
++uCnt;
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 << endl;
return 0;
}
//othercnt.cc
#include <iostream>
using std::cin; using std::cout; using std::endl;
int main()
{
char ch;
// initialize counters for each vowel
unsigned vowelCnt = 0;
unsigned 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': case 'e': case 'i': case 'o': case 'u':
++vowelCnt;
break;
default:
++otherCnt;
break;
}
}
// print results
cout << "Number of vowels: \t" << vowelCnt << '\n'
<< "Total non-vowels : \t" << otherCnt << '\n';
return 0;
}