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库函数几乎不可能出错的In Reply To:QSORT会破坏序列原顺序吗？ Posted by:OOOOOOOO at 2006-01-04 22:44:32 > 这是我的比较函数
> int sort_func(const void *a,const void *b)
> {
> return (((struct item *)a)->inversions - ((struct item *)b)->inversions)>0 ?1:-1;
> }
>
> 数组中的inversions全部置0；
> 调用qsort之后，顺序竟然变了；
>
> 比如之前是
> A C G T
> 排序之后是
> C G A T
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