23. Set Baud Rate Field in Control Register

#include <stdio.h>
#include <stdint.h>

uint32_t set_baud_rate(uint32_t reg, uint8_t baud) {
    uint16_t  pad=0;
    // Your code here
    for (uint8_t i=8;i>=1;i--) 
    {
       pad = pad<<1 |((reg>>(i-1))&1);  
    }
    reg = reg>>12;
    reg = reg<<4 | baud;
    reg = reg<<8 | pad;
    return reg;
}

int main() {
    uint32_t reg;
    uint8_t baud;
    scanf("%u %hhu", &reg, &baud);
    printf("%u", set_baud_rate(reg, baud));
    return 0;
}