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Ex02_08.cpp
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Ex02_08.cpp
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// Ex. 2.8: ex02_08.cpp
// Raise x to the y power.
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
// function main begins program execution
int main()
{
int x; // base
int y; // exponent
int i; // counts from 1 to y
int power; // used to calculate x raised to power y
i = 1; // initialize i to begin counting from 1
power = 1; // initialize power
cout << "Enter base as an integer: "; // prompt for base
cin >> x; // input base
// prompt for exponent
cout << "Enter exponent as an integer: ";
cin >> y; // input exponent
// count from 1 to y and multiply power by x each time
while ( i <= y ) {
power *= x;
++i;
} // end while
cout << power << endl; // display result
return 0; // indicate successful termination
} // end function main
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/