天下无赖app3.0
/* qsort: sort v[left]...v[right] into increasing order */
void qsort(char *v[], int left, int right)
{
int i, last;
void swap(char *v[], int i, int j);
if (left >= right) /* do nothing if array contains */
return; /* fewer than two elements */
swap(v, left, (left + right)/2);
last = left;
for (i = left+1; i <= right; i++)
if (strcmp(v[i], v[left]) < 0)
swap(v, ++last, i);
swap(v, left, last);
qsort(v, left, last-1);
qsort(v, last+1, right);
}...
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