32. Rotate Right in a 32-bit Register

#include <stdio.h>
#include <stdint.h>
#define NUM 32

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    uint32_t newval = reg<<(NUM-n);
    uint32_t bit = reg>>n;
    reg = newval | bit;
    return reg;
}

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