I wrote this code and result is -6. Can someone explain why?

Question

#include<iostream>
using namespace std;
int main()
{
int x=5;
cout<<~x;
return 0;
}

Answer 1

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators

http://www.learncpp.com/cpp-tutorial/38-bitwise-operators/
~ inverts the bits

example

~ 1010 = 0101