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 output=0;
    uint8_t bit_pos =0;

    for(int i =0; i<32; i+=2)
    {
      uint32_t  bit =  ( (reg>>i) & 1U ); 
       output |= bit<<bit_pos;
       bit_pos ++;
    }

    return output;
    
}

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