这么写还是挺好的嘛，不至于精分：-) a^=(b^=(a^=b))

这么写还是挺好的嘛，不至于精分：-) a^=(b^=(a^=b))

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送交者: xinku 于 2009-03-14, 14:58:56:

回答: 这种问题是典型的码傻，徐了把人搞成精分有屁个意义，由社精办于 2009-03-14, 13:06:49:

写成宏 swap(a,b): a^=(b^=(a^=b))

you will be surprise by writing things like this. (无内容) - steven (0 bytes) 2009-03-14, 15:01:32 (306550)
- why? (无内容) - xinku (0 bytes) 2009-03-14, 15:06:40 (306554)
  - see my answer to eng's question below, the C99 one. (无内容) - steven (0 bytes) 2009-03-14, 15:09:15 (306556)
    - I am pretty sure this statement will work on all current compilers - xinku (41 bytes) 2009-03-14, 15:21:15 (306563)
      - gcc shows it is correct! - xinku (13 bytes) 2009-03-14, 15:34:07 (306567)
      - try to install VirtualBox, Linux and gcc (无内容) - 社精办 (0 bytes) 2009-03-14, 15:22:26 (306564)