The filter words counts the number of words in input as long as each word is separated from the next by one or more spaces. Modify the program so that it makes explicit tests for the space, tab and newline characters. Make sure it also counts the last word in a line which doesn't end in a newline. Complete the following file: words.cpp 1 #include 2 using namespace std; 3 4 |/** 5 A state filter which counts words that are separated by spaces. 7 */ 8 int main(). 9 { 10 bool inAWord{false}; int words{0}; // haven't read anything yet // so we have no words 11 12 char ch; while (cin.get(ch)) { 13 14 15 // any whitespace character if (ch == { if (inAWord) { inAWord = false; words++; } 16 17 // transition leaving a word 18 19 20 21 22 23 24 else { inAWord = true; } } 25 26 27 28 29 30 cout <« "There were " <« words <« " words." <« endl; 21

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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C++

The filter words counts the number of words in input as long as each word is
separated from the next by one or more spaces. Modify the program so that it makes
explicit tests for the space, tab and newline characters. Make sure it also counts the
last word in a line which doesn't end in a newline.
Complete the following file:
words.cpp
1 #include <iostream>
2 using namespace std;
3
4
/**
A state filter which counts words that
are separated by spaces.
*/
int main()
9 {
5
7
8
bool inAWord{false};
int words{0};
// haven't read anything yet
// so we have no words
10
11
12
char ch;
while (cin.get(ch))
{
if (ch
{
if (inAWord)
{
13
14
15
')
// any whitespace character
16
==
17
// transition leaving a word
18
19
inAWord = false;
words++;
20
21
}
}
22
23
24
else
{
inAWord = true;
25
26
}
}
27
28
29
30
cout << "There were
<« words << " words." << endl;
31
}
Transcribed Image Text:The filter words counts the number of words in input as long as each word is separated from the next by one or more spaces. Modify the program so that it makes explicit tests for the space, tab and newline characters. Make sure it also counts the last word in a line which doesn't end in a newline. Complete the following file: words.cpp 1 #include <iostream> 2 using namespace std; 3 4 /** A state filter which counts words that are separated by spaces. */ int main() 9 { 5 7 8 bool inAWord{false}; int words{0}; // haven't read anything yet // so we have no words 10 11 12 char ch; while (cin.get(ch)) { if (ch { if (inAWord) { 13 14 15 ') // any whitespace character 16 == 17 // transition leaving a word 18 19 inAWord = false; words++; 20 21 } } 22 23 24 else { inAWord = true; 25 26 } } 27 28 29 30 cout << "There were <« words << " words." << endl; 31 }
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