32. Rotate Right in a 32-bit Register

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

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    // Your code here
    uint32_t mask = 0x00;

    //extract the specific value to rotate
    mask |= (reg & ((1 >> n) - 1) >> 32 - n);

    //shift to right depending in n and mask should shift to desired position 
    reg = (reg >> n) | (mask << (32 - n));

    return reg;
}

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