Compress Interleaved Bits Reverse Bit Spreading

Code

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

uint8_t compress_bits(uint16_t val) {
    // Your logic here
     uint8_t result = 0;
    int new_pos = 0;

    for (int i = 0; i < 16; i += 2) {
        if (val & (1 << i)) {
            result |= (1 << new_pos);
        }
        new_pos++;
    }

    return result;
}

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

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

Solving Approach

 

 

 

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Input

20548

Expected Output

202