Language: Java

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.NoSuchElementException;

public class Mai6n {
    static int[] a;
    // static int[] qu;
    static HashMap hp = new HashMap<Integer, Boolean>();

    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();
        FS fs = new FS();
        int n = fs.nextInt();
        a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = fs.nextInt();
        }
        int q = fs.nextInt();
        //    qu = new int[q];
        boolean j=true;
        for (int i = 0; i < q; i++) {
            int t = fs.nextInt();
            if (hp.containsKey(t)) {
                j=(Boolean) hp.get(t);
            }else {
                j=solve(0,t);
            }
            if (j) {
                sb.append("yes\n");
                hp.put(t, true);
            } else {
                hp.put(t, false);
                sb.append("no\n");
            }
        }
        System.out.print(sb.toString());
    }

    private static boolean solve(int p, int t) {

        if (t == 0) {

            return true;
        }
        if (t < 0 || p >= a.length) {
            return false;
        }
        return solve(p + 1, t - a[p]) || solve(p + 1, t);
    }

    
}
 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:6: error: class Mai6n is public, should be declared in a file named Mai6n.java
public class Mai6n {
       ^
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error