33. Detect Circular Pattern Match

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

uint8_t is_circular_match(uint16_t reg, uint16_t target) {
    // Your code here
    uint16_t reg1;
    uint8_t n=0;
        if (reg==target){
            return 1;
        }
    n=1;
       while (n<16) {
        uint16_t extract = 0;
        for (int i=15;i>15-n;i--){
            extract|= ((((reg>>i) & 1)<<(i-(16-n)));
        }
        reg1 = (uint16_t)((reg<<n) | extract);

       if (reg1==target)
       return 1;
       n+=1;
       }
       return 0;
    }

int main() {
    uint16_t reg, target;
    scanf("%hu %hu", &reg, &target);
    printf("%hhu", is_circular_match(reg, target));
    return 0;
}