Update 选择排序

选择排序

@@ -34,3 +34,46 @@ int main()
 		printf("%d ",arr[i]);
 	}
 }
+//希尔排序
+//复杂度：O(n^1.3)
+//运行时间：170ms
+#include<stdio.h>
+void ShellSort(int* arr, int n)
+{
+	int gap = n;
+	while (gap>1)
+	{
+		gap = gap / 2;
+		for (int i = 0; i < n - gap; ++i)
+		{
+			int end = i;
+			int tem = arr[end + gap];
+			while (end >= 0)
+			{
+				if (tem < arr[end])
+				{
+					arr[end + gap] = arr[end];
+					end -= gap;
+				}
+				else
+					break;
+			}
+			arr[end + gap] = tem;
+		}
+	}
+}
+
+int main()
+{
+	int n;
+	scanf("%d",&n);
+	int arr[n];
+	for(int i=0;i<n;i++)
+	{
+		scanf("%d",&arr[i]);
+	}ShellSort(arr,n); 
+	for(int i=0;i<n;i++)
+	{
+		printf("%d ",arr[i]);
+	}
+}