static void FindClose ( int arr [ ] , int n ) {
  int ans = inf ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) ans = RetClose ( arr [ i - 1 ] + MinDiff ( i , arr [ i - 1 ] , arr , n ) , ans , 0 ) ;
  System . out . println ( ans ) ;
}

static void FindClose ( int arr [ ] , int n ) { int ans = inf ; for ( int i = 1 ; i <= n ; i ++ ) ans = RetClose ( arr [ i - 1 ] + MinDiff ( i , arr [ i - 1 ] , arr , n ) , ans , 0 ) ; System . out . println ( ans ) ; }
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