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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 ret_val = 0;
    ret_val = val & 0b1;
    for (int i = 1; i < 8; i++)
    {
        uint16_t temp_bit_val = (val >> i) & 0b1;
        temp_bit_val = temp_bit_val << (i * 2);
        ret_val = ret_val | temp_bit_val;
    }
    return ret_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