static int getResult ( String str , char ch ) {
  int has [ ] = new int [ 26 ] ;
  for ( int i = 0 ;
  i < 26 ;
  i ++ ) has [ i ] = 0 ;
  for ( int i = 0 ;
  i < str . length ( ) ;
  i ++ ) has [ str . charAt ( i ) - 'A' ] ++ ;
  int particular = has [ ch - 'A' ] ;
  if ( particular == 0 ) return 0 ;
  has [ ch - 'A' ] = 0 ;
  int total = str . length ( ) ;
  total = total - particular + 1 ;
  int result = fact ( total ) ;
  for ( int i = 0 ;
  i < 26 ;
  i ++ ) {
    if ( has [ i ] > 1 ) {
      result = result / fact ( has [ i ] ) ;
    }
  }
  return result ;
}

static int getResult ( String str , char ch ) { int has [ ] = new int [ 26 ] ; for ( int i = 0 ; i < 26 ; i ++ ) has [ i ] = 0 ; for ( int i = 0 ; i < str . length ( ) ; i ++ ) has [ str . charAt ( i ) - ' A ' ] ++ ; int particular = has [ ch - ' A ' ] ; if ( particular == 0 ) return 0 ; has [ ch - ' A ' ] = 0 ; int total = str . length ( ) ; total = total - particular + 1 ; int result = fact ( total ) ; for ( int i = 0 ; i < 26 ; i ++ ) { if ( has [ i ] > 1 ) { result = result / fact ( has [ i ] ) ; } } return result ; }
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