Bit Spreading Interleave Bits with Zeros

Code

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

uint16_t spread_bits(uint8_t val) {
    // Your logic here

    uint16_t new_val = 0;
    // for(int i=7;i>=0;i--){
    //     uint16_t bit = (val >> i) & 1;
    //     new_val = new_val | (bit << (i*2));
    // }

    for(int i=7;i>=0;i--){
        new_val = new_val | (((val >> i) & 1) << (i*2));
    }

    return new_val;
}

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