c++ - Signed vs Unsigned comparison -

#include <iostream>  int main() {     signed int = 5;     unsigned char b = -5;     unsigned int c = > b;      std::cout << c << std::endl; } 

this code prints 0.

can please explain happening here? guessing compiler converts a , b same type(unsigend int maybe) , compares them.

let's see how computer stores value b:
5 00000101, -5 11111011, so, when convert unsigned char, became positive number value 11111011 in binary, larger 00000101.
so, that's why a = 00000101 smaller b (0 means false).