镇乃天子

260314/两数交换指针.cpp

@@ -0,0 +1,20 @@
+#include<iostream>
+
+using namespace std;
+                 
+int main(){
+     int * ptr_a,* ptr_b;           
+   ptr_a = new int;
+   ptr_b = new int;
+   int temp;
+    
+    cin>>*ptr_a>>*ptr_b;
+    temp=*ptr_a;
+    *ptr_a=*ptr_b;
+    *ptr_b=temp;
+    cout<<*ptr_a<<"  "<<*ptr_b<<endl;
+    delete ptr_a,ptr_b;
+
+    return 0;
+
+}