I need help in C++ I have no idea from where to begun tho.

All I have is the instructions and an output of the actual code that's all. Plz Help!!

Objectives: Practice getting input from the user . Practice using loops and conditions Practice using arrays Assignment: Create a program that asks the user for how many sides their shape has and tell them what their shape is based on that. There must be three possible options: 3 (triangle), 4 (quadrilateral), and 5 (pentagon). You should create a corresponding array based on the shape sides. Once the shape is determined, gather the length of all the sides and place them in the array. Once done, total the sides in a loop to determine the perimeter and display that information to the user. Details: Loop on side input -- check if there's a valid number of sides (3-5) o If there's not, display an error message and ask again Loop through the number of sides to build the array O ALSO Check if the side length is valid (>0) Loop if it's not, asking again Loop until valid side length is entered Loop through completed array 0 This should be separate from the building array Total the sides as you move through the array Once done, display to the user Example Execution: How many sides does your shape have? 6 That's not a valid shape here. Try again. How many sides does your shape have? 4 You have a quadrilateral! What is the length of side 1: 3 What is the length of side 2: 0 I'm sorry, that's not a valid length. Try again. What is the length of side 2: 4 What is the length of side 3: 3 What is the length of side 4: 4 Your perimeter is: 14