/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:5: error: constructor cannot be instantiated to expected type;
found : (T1, T2)
required: A
val (b, c: String) = a
^
Main.scala:5: error: recursive value x$1 needs type
val (b, c: String) = a
^
Main.scala:6: error: constructor cannot be instantiated to expected type;
found : (T1, T2, T3)
required: A
val (d, e, f) = a
^
Main.scala:6: error: recursive value x$2 needs type
val (d, e, f) = a
^
four errors found
spoj: The program compiled successfully, but Main.class was not found.
Class Main should contain method: def main(args: Array[String]).