32. Rotate Right in a 32-bit Register

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

#define REGISTER_SIZE 32
#define BIT_MASK(x) ((1 << (x)) - 1)

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    // Your code here

    reg = (reg << (REGISTER_SIZE - n)) | (reg >> n);
    
    return reg;
}

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