Материал из C\C++ эксперт
prefix, postfix, increment, decrement operators
#include <iostream>
int main()
{
int intValue = 39; // initialize two integers
int yourAge = 39;
std::cout << intValue << "\n";
std::cout << yourAge << "\n";
intValue++; // postfix increment
++yourAge; // prefix increment
std::cout << intValue << "\n";
std::cout << yourAge << "\n";
std::cout << intValue++ << "\n";
std::cout << ++yourAge << "\n";
std::cout << intValue << "\n";
std::cout << yourAge << "\n";
return 0;
}39
39
40
40
40
41
41
41
Preincrementing and postincrementing
#include <iostream>
using std::cout;
using std::endl;
int main()
{
int c;
c = 5;
cout << c << endl;
cout << c++ << endl;
cout << c << endl;
cout << endl;
c = 5;
cout << c << endl;
cout << ++c << endl;
cout << c << endl;
return 0;
}5
5
6
5
6
6
