33. Detect Circular Pattern Match

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

#define PATTER_MATCH 0xFFFF

uint8_t is_circular_match(uint16_t reg, uint16_t target) {
    for (uint8_t rotation = 0; rotation < 16; rotation++)
    {
        uint16_t rotate = (reg << rotation) | (reg >> (16 - rotation));
        if (rotate == target)
        {
            return 1;
        }
            
    }
    return 0;
}

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