32. Rotate Right in a 32-bit Register

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

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    bool under;
    while (n) {
        under = (reg & 0x1) ? true : false;
        reg >>= 1;
        if (under)
            reg |= (1 << 31);
        n--;
    }
    return reg;
}

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