32. Rotate Right in a 32-bit Register

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

uint32_t rotate_right(uint32_t reg, unsigned int n) {
    n = n % 32;
    return (reg >> n) | (reg << (32 - n));
}

int main() {
    uint32_t reg, n;
    scanf("%u %u", &reg, &n);  // read decimal input
    uint32_t result = rotate_right(reg, n);
    printf("%u\n", result);    // print in decimal
    return 0;
}