fig13_01.cpp

// fig13_01.cpp
// Demonstrating input and output with iterators.
#include <iostream>
#include <iterator> // ostream_iterator and istream_iterator

int main() {
   std::cout << "Enter two integers: ";

   // create istream_iterator for reading int values from cin
   std::istream_iterator<int> inputInt{std::cin};

   const int number1{*inputInt}; // read int from standard input
   ++inputInt; // move iterator to next input value        
   const int number2{*inputInt}; // read int from standard input

   // create ostream_iterator for writing int values to cout
   std::ostream_iterator<int> outputInt{std::cout};

   std::cout << "The sum is: ";
   *outputInt = number1 + number2; // output result to cout
   std::cout << "\n";
}



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