Bit Spreading Interleave Bits with Zeros

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

uint16_t spread_bits(uint8_t val) {
    // Your logic here
    uint16_t a = val;
    a = (a|(a<<4))& 0x0F0F;
    a = (a|(a<<2))& 0x3333;
    a = (a|(a<<1))& 0x5555;
    return a;
}

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

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