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 count = (val > 255) ? 16 : 8;
    uint16_t mask = 1 << (count - 1);

    for(int i = 0; i < count; i++) {
        printf("%d", (val & mask) ? 1 : 0);
        mask >>= 1;
    }
}

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