Compress Interleaved Bits Reverse Bit Spreading

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

uint8_t compress_bits(uint16_t val) {
    // Your logic here
    uint16_t rev=0,res = 0;
    for(int i=0;i<16;i++)
    {
        if(i%2 == 0)
        {
                rev<<=1;
                rev |= (val&1);
        }
        val>>=1;
    }

    for(int i=0;i<8;i++)
    {
        res<<=1;
        res |= (rev&1);
        rev>>=1;
    }

    return res;
}

int main() {
    uint16_t val;
    scanf("%hu", &val);

    uint8_t result = compress_bits(val);
    printf("%u", result);
    return 0;
}