static void sortMultiples ( int arr [ ] , int n , int x ) {
  Vector < Integer > v = new Vector < Integer > ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] % x == 0 ) {
      v . add ( arr [ i ] ) ;
    }
  }
  Collections . sort ( v , Collections . reverseOrder ( ) ) ;
  int j = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] % x == 0 ) {
      arr [ i ] = v . get ( j ++ ) ;
    }
  }
}

static void sortMultiples ( int arr [ ] , int n , int x ) { Vector < Integer > v = new Vector < Integer > ( ) ; for ( int i = 0 ; i < n ; i ++ ) { if ( arr [ i ] % x == 0 ) { v . add ( arr [ i ] ) ; } } Collections . sort ( v , Collections . reverseOrder ( ) ) ; int j = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( arr [ i ] % x == 0 ) { arr [ i ] = v . get ( j ++ ) ; } } }
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