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c++ - How to check if the binary representation of an integer is a palindrome?

How to check if the binary representation of an integer is a palindrome?

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by (71.8m points)

Hopefully correct:

_Bool is_palindrome(unsigned n)
{
    unsigned m = 0;

    for(unsigned tmp = n; tmp; tmp >>= 1)
        m = (m << 1) | (tmp & 1);

    return m == n;
}

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