/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:3: error: type mismatch;
found : Char('*')
required: ? => Any
println(v.applyOrElse(3, '*'))
^
one error found
spoj: The program compiled successfully, but Main.class was not found.
Class Main should contain method: def main(args: Array[String]).