Is there something wrong in paint cost? [SOLVED]

Question

I am trying to solve the paint cost problem in code coach but it always fails 3rd and 5th test.
Why??
Whats wrong? Please tell
https://code.sololearn.com/cXNq57SaHsV0/?ref=app

Answer 1

Probably because ceil() will return a float type variable. The task asks for a int type variable. Just add an (int) before ceil()

cout << (int)ceil(cost);

Now it's working(tested)

Answer 2

molang Thanks, it worked.
Thanks a lot

Answer 3

Thank you Molang!

had the same issue