Keep Only the Highest Set Bit

Code

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

// Complete the function
uint16_t highest_set_bit(uint16_t reg) {
    // Your logic here
  
    int pos=0;

    for(int b=15;b>=0;b--){
        if(reg &(1U<<b)){
            pos= b;
            break;
        }
        
    
    }
    return reg & 1<<pos;

}

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

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

Solving Approach