static int [ ] processing ( String s , int len ) {
  int [ ] temp = new int [ len ] ;
  HashMap < Character , Integer > d = new HashMap < Character , Integer > ( ) ;
  for ( int i = 0 ;
  i < len ;
  i ++ ) {
    if ( ! d . containsKey ( s . charAt ( i ) ) ) {
      d . put ( s . charAt ( i ) , i ) ;
    }
    else {
      temp [ i ] = temp [ d . get ( s . charAt ( i ) ) ] + 1 ;
      d . put ( s . charAt ( i ) , i ) ;
    }
  }
  return temp ;
}

static int [ ] processing ( String s , int len ) { int [ ] temp = new int [ len ] ; HashMap < Character , Integer > d = new HashMap < Character , Integer > ( ) ; for ( int i = 0 ; i < len ; i ++ ) { if ( ! d . containsKey ( s . charAt ( i ) ) ) { d . put ( s . charAt ( i ) , i ) ; } else { temp [ i ] = temp [ d . get ( s . charAt ( i ) ) ] + 1 ; d . put ( s . charAt ( i ) , i ) ; } } return temp ; }
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