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) {
    uint32_t res = 0;
    uint32_t next = 0;

    if(n == 0) return "NO";

    while(res < n)
    {
        res = 1<<next;
        next++;
    }
    return (res == n)? "YES" : "NO";
}

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

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