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 l = (val <= 255) ? 7 : 15;
    for (int i = l; i >= 0; i--) {
        char c = (val & (1 << i)) ? '1' : '0'; 
        printf("%c", c);
    }
}

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