diff --git a/shell法.cpp b/shell法.cpp
new file mode 100644
index 0000000..1c22c13
--- /dev/null
+++ b/shell法.cpp
@@ -0,0 +1,20 @@
+void shell(int *a,int n) 
+{ 
+ int i,j,k,x; 
+ k=n/2;            /*���ֵ*/ 
+ while(k>=1) 
+ { 
+  for(i=k;i<n;i++) 
+  { 
+   x=a[i]; 
+   j=i-k; 
+   while(j>=0&&x<a[j]) 
+   { 
+    a[j+k]=a[j]; 
+    j-=k; 
+   } 
+    a[j+k]=x; 
+  } 
+  k/=2;           /*��С���ֵ*/ 
+ } 
+}