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A nice trick with symmetric array
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| static char digits[19] = { '9', '8', '7', '6', '5', | |
| '4', '3', '2', '1','0', '1', '2', '3', '4', '5', | |
| '6', '7', '8', '9' }; | |
| static const char* zero = digits + 9; | |
| printf( "%c\n", zero[-1] ); |
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看的太少了，奇技淫巧。