diff --git a/memory_leak.cpp b/memory_leak.cpp
new file mode 100644
index 0000000..c47cf6f
--- /dev/null
+++ b/memory_leak.cpp
@@ -0,0 +1,20 @@
+#include<iostream>
+using namespace std;
+
+int* memory(){
+   int *p = new int(20);
+   for(int i=0;i<10;i++){
+       p[i]=i;
+   } 
+    cout<<"*p="<<*p<<"\t"<<"p="<<p<<endl;
+   return p;
+  
+}
+
+int main(){
+    int *pa =memory();
+    for(int i=0;i<10;i++){
+        cout<<*(pa+i)<<'\t';
+    }cout<<endl;
+    return 0;
+}