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 bit = 0, res1 = 0;
    for(uint32_t i = 0; i < 32; i = i+2)
    {
        bit = (reg >> i) & 1;
        res1 |= (bit << (i/2) );
    }
    return res1;
    
}

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