static int findMaxiumAnd ( int a [ ] , int n , int k ) {
  last = 31 ;
  Vector < Integer > temp1 = new Vector < Integer > ( ) ;
  Vector < Integer > temp2 = new Vector < Integer > ( ) ;
  ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    temp2 . add ( a [ i ] ) ;
  }
  while ( ( int ) temp2 . size ( ) >= k ) {
    temp1 = temp2 ;
    temp2 = findSubset ( temp2 , k ) ;
  }
  int ans = temp1 . get ( 0 ) ;
  for ( int i = 0 ;
  i < k ;
  i ++ ) ans = ans & temp1 . get ( i ) ;
  return ans ;
}

static int findMaxiumAnd ( int a [ ] , int n , int k ) { last = 31 ; Vector < Integer > temp1 = new Vector < Integer > ( ) ; Vector < Integer > temp2 = new Vector < Integer > ( ) ; ; for ( int i = 0 ; i < n ; i ++ ) { temp2 . add ( a [ i ] ) ; } while ( ( int ) temp2 . size ( ) >= k ) { temp1 = temp2 ; temp2 = findSubset ( temp2 , k ) ; } int ans = temp1 . get ( 0 ) ; for ( int i = 0 ; i < k ; i ++ ) ans = ans & temp1 . get ( i ) ; return ans ; }
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