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=(val<= 0xFF)?8:16;
    for(int i=bits-1;i>=0;i--){
        putchar((val & (1<<i))?'1':'0');
    }
}

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