decrement operator in c++ code example

Example 1: decrement c++

int x = 5;
x--;
cout << x << endl;
//outputs 4

Example 2: increment c++

int main(){
  int i = 0;
  cout << i << endl; //Outputs 0
  i++; //Now i is 0 + 1
  cout << i << endl; // Outputs 1
  return 0;
}