#include <stdio.h> int main() { printf("%x",-4>>1); return 0; }

Question

Output is fffffffe
https://code.sololearn.com/cave4NgSKbpw/?ref=app

Answer 1

I understand it but not understand shift ing of negative number and just output in ffffffff0

Answer 2

And fffffffe

Answer 3

look up bitwise operators
https://www.sololearn.com/learn/4070/?ref=app