Write a C++ Program to implement a balanced Binary Search Tree using Set and Map from the standard template library.

The data file is under Assignment05 in Files (Cities_Sea_Level.data). The format of the data is as follows and it contain Country, City and Elevation from sea level in meters.

Country/Territory City_Name/s Elevation (m)

1. Read City from the file and create a Set using STL. 2. Give option to search a City in the Set data structure as user input. 3. Read City and Elevation as a Map data structure using STL. 4. Give user option to search for a city and retrieve the elevation. Print a message if the City is not found in the Map.