diff --git a/.ACM-Templates/LCIS.cpp b/.ACM-Templates/LCIS.cpp
new file mode 100644
index 0000000..23ca374
--- /dev/null
+++ b/.ACM-Templates/LCIS.cpp
@@ -0,0 +1,29 @@
+/// LCIS 最长公共上升子序列  
+namespace LCIS  
+{  
+  
+const int MAXLEN_A = 500;  
+const int MAXLEN_B = 500;  
+int dp[MAXLEN_A+5][MAXLEN_B+5];  
+int deal(const char* a,const char* b)  
+{  
+    int lena=strlen(a);  
+    int lenb=strlen(b);  
+    for(int i=1;i<=lenb;i++)  
+    {  
+        int k=0;  
+        for(int j=1;j<=lena;j++)  
+        {  
+            dp[i][j]=dp[i-1][j];/// when b[i-1] != a[j-1]  
+            if(b[i-1]>a[j-1]) k=max(k,dp[i-1][j]);  
+            else if(b[i-1]==a[j-1]) dp[i][j]=k+1;  
+        }  
+    }  
+    int ans=0;  
+    for(int i=1;i<=lena;i++) ans=max(ans,dp[lenb][i]);  
+    return ans;  
+}  
+  
+}  
+//End of namespace LCIS  
+