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What is Hamming Code? — In telecommunication, Hamming codes are a family of linear error-correcting codes that generalize the Hamming(7,4)-code, and were invented by Richard Hamming in 1950. Hamming codes can detect up to two-bit errors or correct one-bit errors without detection of uncorrected errors.

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Google Interview

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2^16
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4 * 16
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2 ^ 4
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2^3
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2^5
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2^6
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2^7
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2^9
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2^13
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size of char in bytes
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size of short in bits
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size of short in bytes
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size of int in bytes
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size of long long in bytes
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size of wchar_t in bytes
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