Keep Only the Highest Set Bit

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

// Complete the function
uint16_t highest_set_bit(uint16_t reg) {
    // Your logic here
    int max=0;
   for(int i=15;i>=0;i--){
       if(reg&(1<<i)){
        max=i;
        break;
       }
   }
    if(max){
   for(int i=max-1;i>=0;i--){
    reg=reg&~(1<<i);
   }}

   return reg;
}

int main() {
    uint16_t reg;
    scanf("%hu", &reg);

    uint16_t result = highest_set_bit(reg);
    printf("%hu", result);
    return 0;
}