c++ not operator code example

Example 1: c++ .* operator

The .* operator is used to dereference pointers to class members.

Example 2: Not c++

#include<iostream>
using namespace std;
int main(){
	int a;
    cin>>a;
    if(!((a >= 20 && a <= 30) || (a > 0 && a < 10))){
    	cout<<"Dentro!";
   	}
   	else{
		cout<<"Fuori!";
	}
}

Example 3: using of and || c++

x = y = z = 5;

Example 4: operand-- c++

++x;
x+=1;
x=x+1;

Example 5: x += c++

int main ()
{
  int a, b=3;
  a = b;
  a+=2;             // equivalent to a=a+2
  cout << a;
}