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 result=0;
    int count = 0;
    for(int i=0 ; i<32 ; i = i+2)
    {
        if((reg>>i) & 1)
        {
            result |= (1U << count);
        }
        count++;
    }
    return result;
}

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