public static void main ( String [ ] args ) throws Exception {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  int [ ] T = new int [ N ] ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) T [ i ] = sc . nextInt ( ) ;
  int M = sc . nextInt ( ) ;
  int [ ] P = new int [ M ] ;
  int [ ] X = new int [ M ] ;
  for ( int i = 0 ;
  i < M ;
  i ++ ) {
    P [ i ] = sc . nextInt ( ) ;
    X [ i ] = sc . nextInt ( ) ;
  }
  int sumTime = 0 ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    sumTime += T [ i ] ;
  }
  for ( int i = 0 ;
  i < M ;
  i ++ ) {
    int ans = sumTime - ( T [ P [ i ] - 1 ] - X [ i ] ) ;
    System . out . println ( ans ) ;
  }
}

public static void main ( String [ ] args ) throws Exception { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; int [ ] T = new int [ N ] ; for ( int i = 0 ; i < N ; i ++ ) T [ i ] = sc . nextInt ( ) ; int M = sc . nextInt ( ) ; int [ ] P = new int [ M ] ; int [ ] X = new int [ M ] ; for ( int i = 0 ; i < M ; i ++ ) { P [ i ] = sc . nextInt ( ) ; X [ i ] = sc . nextInt ( ) ; } int sumTime = 0 ; for ( int i = 0 ; i < N ; i ++ ) { sumTime += T [ i ] ; } for ( int i = 0 ; i < M ; i ++ ) { int ans = sumTime - ( T [ P [ i ] - 1 ] - X [ i ] ) ; System . out . println ( ans ) ; } }
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