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2.3.2  Hamming distance bit to bit : hamdist

The Hamming distance is the number of differences of the bits of the two arguments.
Input :


or input

ha mdist(18,56)

Output :


because :
18 is written 0x12 in base 16 and 0b010010 in base 2,
56 is written 0x38 in base 16 and 0b111000 in base 2,
hamdist(18,56) is equal to 1+0+1+0+1+0 and so is equal to 3.

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