Bit Spreading Interleave Bits with Zeros

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

uint16_t spread_bits(uint8_t val) {
    // Your logic here
      unsigned int result = 0;
    int pos = 0;

    while (val > 0) {
        if (val & 1) {
            result |= (1 << (2 * pos));
        }
        val >>= 1;
        pos++;
    }

    return result;
}

int main() {
    uint8_t val;
    scanf("%hhu", &val);

    uint16_t result = spread_bits(val);
    printf("%u", result);
    return 0;
}