35. Check If a Number Is a Power of Two

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

// Complete the function
const char* is_power_of_two(uint32_t n) {
    uint16_t val = (n & (n-1));
    if ( n == 0)
    {
        return "NO";
    }
    else if (val == 0)
    { 
        return "YES";
    }
    else
    {
        return "NO";
    }
    
}

int main() {
    uint32_t n;
    scanf("%u", &n);

    const char* result = is_power_of_two(n);
    printf("%s", result);
    return 0;
}