31. Rotate Left in an 8-bit Register

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

uint8_t rotate_left(uint8_t reg, uint8_t n) {
    // Your code here
    int x=0;
    for(int i=(8-n);i<8;i++)
    {
        x = x | (1<<i);
    }
    reg = ((reg<<n) | (reg & x)>>(8-n));
    return reg;
}

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