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 n = 7;
    if(val > 255) n = 15;

    for(int i = n; i >= 0; i--) {
        printf("%d", (val >> i) & 1);
    }
}

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