Compress Interleaved Bits Reverse Bit Spreading

Code

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

uint8_t compress_bits(uint16_t val) {
    // Your logic here
    uint16_t temp=0;uint8_t reg = 0;
    for(int i=0;i<=15;i+=2)
    {
        temp = val & 1;
        reg |= temp << i/2;
        val >>= 2;
    }
    return reg;
}

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

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

Solving Approach