?? prepostfix.cpp
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// Listing 4.2 - Demonstrates
// prefix and postfix and increment and
// decrement operators
#include <iostream>
int main()
{
int myAge = 39; // initialize two integers
int yourAge = 39;
std::cout << "I am:\t" << myAge << "\tyears old.\n";
std::cout << "You are:\t" << yourAge << "\tyears old\n";
myAge++; // postfix increment
++yourAge; // prefix increment
std::cout << "One year passes...\n";
std::cout << "I am:\t" << myAge << "\tyears old.\n";
std::cout << "You are:\t" << yourAge << "\tyears old\n";
std::cout << "Another year passes\n";
std::cout << "I am:\t" << myAge++ << "\tyears old.\n";
std::cout << "You are:\t" << ++yourAge << "\tyears old\n";
std::cout << "Let's print it again.\n";
std::cout << "I am:\t" << myAge << "\tyears old.\n";
std::cout << "You are:\t" << yourAge << "\tyears old\n";
return 0;
}
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