programming-challenges/challenges/triangle-type

triangle-type

Created by @theoludwig on 30 June 2021.

Instructions

Given the lengths of the 3 sides of a triangle, your function should return whether it is equilateral, isosceles, scalene or impossible.

• A triangle is equilateral when its 3 sides are equal
• A triangle is isosceles when 2 of its sides are equal
• A triangle is scalene when none of its sides is equal to another side
• A triangle is impossible when the sum of two of its sides is strictly less than the third side

Input

• Line 1 to 3: The length of each side of the triangle

Examples

See the test folder for examples of input/output.