Bit Spreading Interleave Bits with Zeros

Code

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

uint16_t spread_bits(uint8_t val) {
    uint16_t bitSpreaded_val;
    bitSpreaded_val = 0;
    for(int i = 0; i < 8; i++)
    {
        uint8_t bit = ((val & (1 << i)) > 0)? 1 : 0;
        // printf("bit value %d: %b\n", i, bit);
        uint16_t updateVal = (bit << (i*2));
        // printf("updated val %b\n", updateVal);
        bitSpreaded_val |= updateVal;
        // printf("bitSpread val: %u\n", bitSpreaded_val);
    }
    return bitSpreaded_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