22. Extract Even Bits Only from 32-bit Register

#include <stdio.h>
#include <stdint.h>

uint32_t extract_even_bits(uint32_t reg) {
    // Your code here
    uint32_t extraced_bit=0;
    for (int x=15; x>=0 ;x--){
        extraced_bit <<=1;
        extraced_bit |= (reg >> (x*2)) & 1;
    }
    return extraced_bit;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    printf("%u", extract_even_bits(reg));
    return 0;
}