diff --git a/指针/交换值 .cpp b/指针/交换值 .cpp
new file mode 100644
index 0000000..3f3a91e
--- /dev/null
+++ b/指针/交换值 .cpp	
@@ -0,0 +1,16 @@
+  1 #include<iostream>
+  2 using namespace std;
+  3
+  4 int main(){
+  5     int a=10,b=5,temp,*ptr_a,*ptr_b;
+  6     cout<<"a的值是："<<a<<"  b的值是："<<b<<endl;
+  7     ptr_a=&a;
+  8     ptr_b=&b;
+  9     temp=*ptr_a;
+ 10     *ptr_a=*ptr_b;
+ 11     *ptr_b=temp;
+ 12
+ 13     cout<<"交换后a的值是："<<a<<" b的值是："<<b<<endl;
+ 14
+ 15     return 0;
+ 16 }
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