Please help Finnish c++ code that completes the code needed 1/Determines the type of triangle based on the three sides. Il Returns what type of triangle it is based on the length of the three sides: Il 'e'Equilateral triangle 11 'i' : Isosceles triangle Il 's' : Scalene triangle Il 'n' : Not a triangle char whatsTheTriangle(int lengthone, int lengthTwo, int lengthThree) 1/ Check for invalid triangle if (lengthone + lengthTwo