static int findMaxDiff ( int arr [ ] , int n ) {
  int [ ] LS = new int [ n ] ;
  leftSmaller ( arr , n , LS ) ;
  int [ ] RRS = new int [ n ] ;
  reverse ( arr ) ;
  leftSmaller ( arr , n , RRS ) ;
  int result = - 1 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    result = Math . max ( result , Math . abs ( LS [ i ] - RRS [ n - 1 - i ] ) ) ;
  }
  return result ;
}

static int findMaxDiff ( int arr [ ] , int n ) { int [ ] LS = new int [ n ] ; leftSmaller ( arr , n , LS ) ; int [ ] RRS = new int [ n ] ; reverse ( arr ) ; leftSmaller ( arr , n , RRS ) ; int result = - 1 ; for ( int i = 0 ; i < n ; i ++ ) { result = Math . max ( result , Math . abs ( LS [ i ] - RRS [ n - 1 - i ] ) ) ; } return result ; }
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