Detect Circular Pattern Match

Code

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

uint8_t is_circular_match(uint16_t reg, uint16_t target) {
    // Your code here
    int res=0;

    for(int i=0; i<16; i++) {
        if((reg & 0xFFFF) == target) {
            res = 1;
            // break;

        }
        else {
            reg = (reg << 1) | (reg >> 15);
            reg &= 0xFFFF;
        }
    }
    return res;
}

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

Solving Approach

 

 

 

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Input

45056 11

Expected Output

1