Language: Java


import java.util.ArrayDeque;
import java.util.BitSet;
import java.util.Deque;

public class Main {
    public static void main(String[] args) {
        Deque deque = new ArrayDeque();
        StringBuilder sb = new StringBuilder();
        FS fs = new FS();
        int n = fs.nextInt();
        BitSet bitSet = new BitSet(2000);
        for(int i=0;i<n;i++){
            Integer m = fs.nextInt();
            bitSet.set(m);
            for (Object k:deque){
                bitSet.set((Integer)k+m);
            }
            deque.add(m);
        }
        int q = fs.nextInt();
        for (int i=0;i<q;i++){
           sb.append( bitSet.get(fs.nextInt())?"yes\n":"no\n");
        }
        System.out.print(sb.toString());
    }
 static class FS {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }

    private int readByte() {
        return hasNextByte() ? buffer[ptr++] : -1;
    }

    private boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }

    private void skipUnprintable() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;
    }

    public boolean hasNext() {
        skipUnprintable();
        return hasNextByte();
    }

    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public int nextInt() {
        return (int) nextLong();
    }

    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
}
}



Compiler output:
Main.java:28: error: cannot find symbol
    private final InputStream in = System.in;
                  ^
  symbol:   class InputStream
  location: class FS
Main.java:40: error: cannot find symbol
            } catch (IOException e) {
                     ^
  symbol:   class IOException
  location: class FS
Main.java:68: error: cannot find symbol
        if (!hasNext()) throw new NoSuchElementException();
                                  ^
  symbol:   class NoSuchElementException
  location: class FS
Main.java:83: error: cannot find symbol
        if (!hasNext()) throw new NoSuchElementException();
                                  ^
  symbol:   class NoSuchElementException
  location: class FS
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
4 errors