repeat word detection program

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 3 Try This Page 73
Using std_lib_facilities.h by Bjarne Stroustrup.

[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PP
// Chapter 3 Try This Page 73

#include "std_lib_facilities.h"

int main()
{
cout << "Enter a series of words, they can even repeat themselfs.\n";
string previous = " ";
string current;
while (cin >> current){
if (previous == current)
cout << "repeated word: " << current << ‘\n’;
previous = current;
}
}
[/code]

Output:
Enter a series of words, they can even repeat themselfs.
hello hello peter how how are are you you you
repeated word: hello
repeated word: how
repeated word: are
repeated word: you
repeated word: you

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