/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:3: error: not found: value smart
for(n<- 1 to 20; x <- 1 to 50; y <- x to 60 if smart(n,x,y) != dummy(n,x,y)){
^
one error found
spoj: The program compiled successfully, but Main.class was not found.
Class Main should contain method: def main(args: Array[String]).