我有下面的代码,(从这里取得),但它会导致一个stackoverflow异常时,列表中有两个相同的值进行排序。快速排序导致stackoverflow
有人可以帮我什么造成这种情况?
public static IEnumerable<int> QSLinq(IEnumerable<int> _items)
{
if (_items.Count() <= 1)
return _items;
var _pivot = _items.First();
var _less = from _item in _items where _item < _pivot select _item;
var _same = from _item in _items where _item == _pivot select _item;
var _greater = from _item in _items where _item > _pivot select _item;
return QSLinq(_less).Concat(QSLinq(_same)).Concat(QSLinq(_greater));
}
对于哪些输入序列失败? – 2010-01-19 12:55:48
我想我们很感谢这个网站的快速排序* rimroll * – 2010-01-19 12:56:03