update

basic_content/const/funciton_const/condition2/condition3.cpp

@@ -0,0 +1,8 @@
+#include<iostream>
+using namespace std;
+int main(){
+
+    const int num=10;
+    const int * const ptr=&num; //error! const int* -> int*
+    cout<<*ptr<<endl;
+}