如果我有一个字符串数组,例如
string[] names = {"John Doe", "Doe John", "Another Name", "Name Another"};
如何使用插入排序对该数组进行排序?
维基百科有一些例子:https://en.wikibooks.org/wiki/Algorithm_implementation/Sorting/Insertion_sort#C.23 https://en.wikibooks.org/wiki/Algorithm_implementation/Sorting/Insertion_sort#C.23
static void InsertSort(IComparable[] array)
{
int i, j;
for (i = 1; i < array.Length; i++)
{
IComparable value = array[i];
j = i - 1;
while ((j >= 0) && (array[j].CompareTo(value) > 0))
{
array[j + 1] = array[j];
j--;
}
array[j + 1] = value;
}
}
and
static void InsertSort<T>(IList<T> list) where T : IComparable<T>
{
int i, j;
for (i = 1; i < list.Count; i++)
{
T value = list[i];
j = i - 1;
while ((j >= 0) && (list[j].CompareTo(value) > 0))
{
list[j + 1] = list[j];
j--;
}
list[j + 1] = value;
}
}
但它似乎不适用于我的字符串数组,除非我做错了什么。
我能不跑吗
InsertSort(names); // like so?
对我来说效果很好:
class Program
{
static void Main()
{
string[] names = { "John Doe", "Doe John", "Another Name", "Name Another" };
InsertSort(names);
foreach (var item in names)
{
Console.WriteLine(item);
}
}
static void InsertSort(IComparable[] array)
{
int i, j;
for (i = 1; i < array.Length; i++)
{
IComparable value = array[i];
j = i - 1;
while ((j >= 0) && (array[j].CompareTo(value) > 0))
{
array[j + 1] = array[j];
j--;
}
array[j + 1] = value;
}
}
}
正如预期的那样,它打印:
Another Name
Doe John
John Doe
Name Another
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