static int findSubsequence ( int arr [ ] , int n ) {
  int len = 1 ;
  int tmp ;
  int i , j , d ;
  int [ ] [ ] dp = new int [ n ] [ 10 ] ;
  int [ ] cnt = new int [ 10 ] ;
  int locMax ;
  tmp = arr [ 0 ] ;
  while ( tmp > 0 ) {
    dp [ 0 ] [ tmp % 10 ] = 1 ;
    tmp /= 10 ;
  }
  for ( i = 1 ;
  i < n ;
  i ++ ) {
    tmp = arr [ i ] ;
    locMax = 1 ;
    for ( int x = 0 ;
    x < 10 ;
    x ++ ) cnt [ x ] = 0 ;
    while ( tmp > 0 ) {
      cnt [ tmp % 10 ] = 1 ;
      tmp /= 10 ;
    }
    for ( d = 0 ;
    d <= 9 ;
    d ++ ) {
      if ( cnt [ d ] > 0 ) {
        dp [ i ] [ d ] = 1 ;
        for ( j = 0 ;
        j < i ;
        j ++ ) {
          dp [ i ] [ d ] = Math . max ( dp [ i ] [ d ] , dp [ j ] [ d ] + 1 ) ;
          locMax = Math . max ( dp [ i ] [ d ] , locMax ) ;
        }
      }
    }
    for ( d = 0 ;
    d <= 9 ;
    d ++ ) {
      if ( cnt [ d ] > 0 ) {
        dp [ i ] [ d ] = locMax ;
      }
    }
    len = Math . max ( len , locMax ) ;
  }
  return len ;
}

static int findSubsequence ( int arr [ ] , int n ) { int len = 1 ; int tmp ; int i , j , d ; int [ ] [ ] dp = new int [ n ] [ 10 ] ; int [ ] cnt = new int [ 10 ] ; int locMax ; tmp = arr [ 0 ] ; while ( tmp > 0 ) { dp [ 0 ] [ tmp % 10 ] = 1 ; tmp /= 10 ; } for ( i = 1 ; i < n ; i ++ ) { tmp = arr [ i ] ; locMax = 1 ; for ( int x = 0 ; x < 10 ; x ++ ) cnt [ x ] = 0 ; while ( tmp > 0 ) { cnt [ tmp % 10 ] = 1 ; tmp /= 10 ; } for ( d = 0 ; d <= 9 ; d ++ ) { if ( cnt [ d ] > 0 ) { dp [ i ] [ d ] = 1 ; for ( j = 0 ; j < i ; j ++ ) { dp [ i ] [ d ] = Math . max ( dp [ i ] [ d ] , dp [ j ] [ d ] + 1 ) ; locMax = Math . max ( dp [ i ] [ d ] , locMax ) ; } } } for ( d = 0 ; d <= 9 ; d ++ ) { if ( cnt [ d ] > 0 ) { dp [ i ] [ d ] = locMax ; } } len = Math . max ( len , locMax ) ; } return len ; }
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