c-resources/CPlusPlus20ForProgrammers-m.../examples/ch13/fig13_01.cpp

40 lines
1.8 KiB
C++

// 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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