115. Print Binary Representation of an 8-bit or 16-bit Value

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

void print_binary(uint16_t val) {
    int bits = 8;
    if(val > 255){
        bits = 16;
    }
    for(int i=0;i<bits;i++){
        int mask = (1<<(bits-1));
        printf("%d", ((val & mask)>>(bits - 1)));
        val = val<<1;
    }

}

int main() {
    uint16_t val;
    scanf("%hu", &val);
    print_binary(val);
    return 0;
}