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 temp=0;
    uint32_t val=0;

    for(uint32_t i=0;i<=31;i=i+2)
    {    
       val=reg&(1<<i);
       temp|= val>>(i/2);
    }
    
 return temp;
}

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