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object Solution {
 
    def main(args: Array[String]) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution
*/
 
       import scala.io._
 
       val n: Int = StdIn.readLine.toInt
       for(i <- 0 until n){
           val cs = StdIn.readLine.chars
       }
       println(a)
    }
}

/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:9: error: not found: value StdIn
       val n: Int = StdIn.readLine.toInt
                    ^
Main.scala:11: error: not found: value StdIn
           val cs = StdIn.readLine.chars
                    ^
Main.scala:13: error: not found: value a
       println(a)
               ^
three errors found
spoj: The program compiled successfully, but Main.class was not found.
      Class Main should contain method: def main(args: Array[String]).

Standard output is empty