public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int T = in . nextInt ( ) ;
  for ( int t = 0 ;
  t < T ;
  t ++ ) {
    int N = in . nextInt ( ) ;
    int M = in . nextInt ( ) ;
    Integer [ ] K = new Integer [ N ] ;
    for ( int n = 0 ;
    n < N ;
    n ++ ) {
      K [ n ] = in . nextInt ( ) ;
    }
    int [ ] C = new int [ M ] ;
    for ( int m = 0 ;
    m < M ;
    m ++ ) {
      C [ m ] = in . nextInt ( ) ;
    }
    Arrays . sort ( K ) ;
    long [ ] money = new long [ N + 1 ] ;
    for ( int n = 0 ;
    n < N ;
    n ++ ) {
      money [ n + 1 ] = money [ n ] + C [ K [ n ] - 1 ] ;
    }
    long [ ] giftCost = new long [ M + 1 ] ;
    for ( int m = 0 ;
    m < M ;
    m ++ ) {
      giftCost [ m + 1 ] = giftCost [ m ] + C [ m ] ;
    }
    long minCost = Long . MAX_VALUE ;
    for ( int gifts = 0 ;
    gifts <= Math . min ( N , M ) ;
    gifts ++ ) {
      long cost = giftCost [ gifts ] + money [ N - gifts ] ;
      minCost = Math . min ( minCost , cost ) ;
    }
    System . out . println ( minCost ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int T = in . nextInt ( ) ; for ( int t = 0 ; t < T ; t ++ ) { int N = in . nextInt ( ) ; int M = in . nextInt ( ) ; Integer [ ] K = new Integer [ N ] ; for ( int n = 0 ; n < N ; n ++ ) { K [ n ] = in . nextInt ( ) ; } int [ ] C = new int [ M ] ; for ( int m = 0 ; m < M ; m ++ ) { C [ m ] = in . nextInt ( ) ; } Arrays . sort ( K ) ; long [ ] money = new long [ N + 1 ] ; for ( int n = 0 ; n < N ; n ++ ) { money [ n + 1 ] = money [ n ] + C [ K [ n ] - 1 ] ; } long [ ] giftCost = new long [ M + 1 ] ; for ( int m = 0 ; m < M ; m ++ ) { giftCost [ m + 1 ] = giftCost [ m ] + C [ m ] ; } long minCost = Long . MAX_VALUE ; for ( int gifts = 0 ; gifts <= Math . min ( N , M ) ; gifts ++ ) { long cost = giftCost [ gifts ] + money [ N - gifts ] ; minCost = Math . min ( minCost , cost ) ; } System . out . println ( minCost ) ; } }
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