diff --git a/QUSTOJ/1099_HBat.cpp b/QUSTOJ/1099_HBat.cpp
new file mode 100644
index 0000000..c0474da
--- /dev/null
+++ b/QUSTOJ/1099_HBat.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+#include <stdio.h>
+#include <algorithm>
+using namespace std;
+
+int n,m,a[2010],t[2010];
+int main()
+{
+    scanf("%d%d",&n,&m);
+    for(int i=1;i<=n;i++)
+    scanf("%d",&a[i]);
+    for(int i=1;i<=m;i++)
+    scanf("%d",&t[i]);
+    int left=m;
+    sort(t+1,t+m+1);
+    for(int i=1;i<=n;i++)
+    {
+        for(int j=m;j>0;j--)
+        {
+            if(a[i]>t[j]&&t[j]!=0)
+            {    
+                t[j]=0;
+                left--;
+                break;
+            }
+        }
+    } 
+    printf("%d",left);
+}