they pass because the test only inlude even diferents between the percentages, wich made the division exact, causing zero decimals in the solution, making it irrelevant if you use float or int. The easy solution to fix it, is to return a float.

you can build a triangle with 3 2 1

c should be remove from the lenguages abiable, due to the inability to pass from a float to an int.

dosen't work fo me