Bit Spreading Interleave Bits with Zeros

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

uint16_t spread_bits(uint8_t val) {
    // Your logic here
    uint16_t result = 0; // Start with all zeros

    for (int i = 0; i < 8; i++) {
        // 1. Check if the i-th bit of the input is set
        if (val & (1 << i)) {
            
            // 2. If it is set, set the corresponding EVEN bit in the result
            // Bit 0 goes to position 0 (0*2)
            // Bit 1 goes to position 2 (1*2)
            // Bit 2 goes to position 4 (2*2)
            result |= (1 << (i * 2));
        }
    }
    
    return result;
    return 0;
}

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

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