Bit Spreading Interleave Bits with Zeros

Code

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

uint16_t spread_bits(uint8_t val) {
    uint16_t res=0;
    for(int i=0;i<8;i++){
        res|=(((val>>i)&1)<<2*i);
    }
    /*res|=(((val>>0)&1)<<0);
    res|=(((val>>1)&1)<<2);
    res|=(((val>>2)&1)<<4);
    res|=(((val>>3)&1)<<6);
    res|=(((val>>4)&1)<<8);
    res|=(((val>>5)&1)<<10);
    res|=(((val>>6)&1)<<12);
    res|=(((val>>7)&1)<<14);
    */
    return res;
}

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

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

Solving Approach

 

 

 

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Input

202

Expected Output

20548