public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  LinkedList < Integer > lista = new LinkedList < Integer > ( ) ;
  int n = scan . nextInt ( ) ;
  int m = scan . nextInt ( ) ;
  int k = scan . nextInt ( ) ;
  int suma = 0 ;
  for ( int i = 0 ;
  i < k ;
  i ++ ) {
    lista . addLast ( scan . nextInt ( ) ) ;
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < m ;
    j ++ ) {
      int aux = scan . nextInt ( ) ;
      int l = 0 ;
      while ( aux != lista . get ( l ) ) {
        l ++ ;
      }
      for ( int p = 0 ;
      p < l ;
      p ++ ) {
        lista . add ( l , lista . removeFirst ( ) ) ;
      }
      suma += l + 1 ;
    }
  }
  System . out . println ( suma ) ;
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; LinkedList < Integer > lista = new LinkedList < Integer > ( ) ; int n = scan . nextInt ( ) ; int m = scan . nextInt ( ) ; int k = scan . nextInt ( ) ; int suma = 0 ; for ( int i = 0 ; i < k ; i ++ ) { lista . addLast ( scan . nextInt ( ) ) ; } for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < m ; j ++ ) { int aux = scan . nextInt ( ) ; int l = 0 ; while ( aux != lista . get ( l ) ) { l ++ ; } for ( int p = 0 ; p < l ; p ++ ) { lista . add ( l , lista . removeFirst ( ) ) ; } suma += l + 1 ; } } System . out . println ( suma ) ; }
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