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 new_reg = 0;
    int pos = 0;

    for(int i = 0; i <= 30; i += 2){
        
        new_reg = new_reg | (((reg & (1U << i)) >> i) << pos);
        pos++;
        
    }
    return new_reg;
    
}

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