Text based detective game

[Vishnu27]

Hey guys,

I am planning to make a text based detective game.
Right now i am stuck on in an area.

My game is mainly like,i will dictate a scenario like a question then provide a set of options.
If the user selects the correct option in the first try then he is awarded with 15xp
if second try then 10xp,3rd try 5xp..likewise.
'
Eg;-
cout << "# What would you like to do?" << endl;
cout <<"\nPress 1 to start inspecting the victims body"<<endl;
cout <<"\nPress 2 to start interrogating the old man"<<endl;
cout <<"\nPress 3 to ask forensics to collect more data"<<endl;

Here the correct order the player should make is 1,2 then 3.
This gives him maximum of 15+15+15= 45 Xp,because he chooses all the correct options in first try

Similarly if the player make choices in order 2,1,3

Then he will get 10+ 10+15 =35 Xp only

I am using the variable xp to store the value.

So mostly the calculation is based on our try.

Can anyone help me how i can achieve this?