How to print triangle/half pyramid star pattern in Kotlin?

Question

https://code.sololearn.com/cOd5Iarq6hWs/?ref=app

Answer 1

https://code.sololearn.com/cpQO5Ru1Smkl/?ref=app

Answer 2

You cannot multiply String with number.

Btw which pattern do you want?

Answer 3

Triangle/half pyramid Pattern. How to do this?