public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int N = scanner . nextInt ( ) ;
  int [ ] t = new int [ N ] ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    t [ i ] = scanner . nextInt ( ) ;
  }
  int time = 0 ;
  int ans = Integer . MAX_VALUE ;
  for ( int i = 0 ;
  i < ( 1 << N ) ;
  i ++ ) {
    int timeA = 0 ;
    int timeB = 0 ;
    for ( int j = 0 ;
    j < N ;
    j ++ ) {
      if ( ( i >> j & 1 ) == 1 ) {
        timeA += t [ j ] ;
      }
      else {
        timeB += t [ j ] ;
      }
    }
    time = Math . max ( timeA , timeB ) ;
    ans = Math . min ( time , ans ) ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int N = scanner . nextInt ( ) ; int [ ] t = new int [ N ] ; for ( int i = 0 ; i < N ; i ++ ) { t [ i ] = scanner . nextInt ( ) ; } int time = 0 ; int ans = Integer . MAX_VALUE ; for ( int i = 0 ; i < ( 1 << N ) ; i ++ ) { int timeA = 0 ; int timeB = 0 ; for ( int j = 0 ; j < N ; j ++ ) { if ( ( i >> j & 1 ) == 1 ) { timeA += t [ j ] ; } else { timeB += t [ j ] ; } } time = Math . max ( timeA , timeB ) ; ans = Math . min ( time , ans ) ; } System . out . println ( ans ) ; }
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