code: add max value

main.cpp

@@ -7,5 +7,6 @@ int main()
     cout << "Enter A and B: ";
     int a, b;
     cin >> a >> b;
-    cout<<"a + b = "<<a+b<<endl<<"a - b = "<<a-b<<endl<<"a * b = "<<a*b<<endl<<"a / b = "<<a/b;
+    cout<<"a + b = "<<a+b<<endl<<"a - b = "<<a-b<<endl<<"a * b = "<<a*b<<endl<<"a / b = "<<a/b<<endl
+    << "max = "<<max(a,b);
 }