Problem: 2061D - Kevin and Numbers
Language: java

Solution 1 (runtime: 936 ms):
import java.io.*;
import java.security.KeyStore.Entry;
import java.util.*;

public class Forest {
    static class Reader {
        final private int BUFFER_SIZE = 1 << 16;
        private DataInputStream din;
        private byte[] buffer;
        private int bufferPointer, bytesRead;

        public Reader() {
            din = new DataInputStream(System.in);
            buffer = new byte[BUFFER_SIZE];
            bufferPointer = bytesRead = 0;
        }

        public Reader(String file_name) throws IOException {
            din = new DataInputStream(new FileInputStream(file_name));
            buffer = new byte[BUFFER_SIZE];
            bufferPointer = bytesRead = 0;
        }

        public String readLine() throws IOException {
            byte[] buf = new byte[64]; // line length
            int cnt = 0, c;
            while ((c = read()) != -1) {
                if (c == '\n')
                    break;
                buf[cnt++] = (byte) c;
            }
            return new String(buf, 0, cnt);
        }

        public int nextInt() throws IOException {
            int ret = 0;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();
            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');
            if (neg)
                return -ret;
            return ret;
        }

        public long nextLong() throws IOException {
            long ret = 0;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();
            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');
            if (neg)
                return -ret;
            return ret;
        }

        public double nextDouble() throws IOException {
            double ret = 0, div = 1;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();
            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');
            if (c == '.') {
                while ((c = read()) >= '0' && c <= '9') {
                    ret += (c - '0') / (div *= 10);
                }
            }
            if (neg)
                return -ret;
            return ret;
        }

        private void fillBuffer() throws IOException {
            bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE);
            if (bytesRead == -1)
                buffer[0] = -1;
        }

        private byte read() throws IOException {
            if (bufferPointer == bytesRead)
                fillBuffer();
            return buffer[bufferPointer++];
        }

        public void close() throws IOException {
            if (din == null)
                return;
            din.close();
        }
    }

    static Reader sc = new Reader();
    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

    public static void main(String args[]) throws IOException {
        @SuppressWarnings("unused")
        Reader sc = new Reader();
        long t = inputLong();
        while (t-- > 0) {
            long n = inputLong();
            long m = inputLong();
            long a[] = new long[(int) n];
            TreeMap<Long,Long>map=new TreeMap<>();
            long sum=0;
            for (int i = 0; i < n; i++) {
                a[i] = inputLong();
                sum+=a[i];
                map.put(a[i],map.getOrDefault(a[i], (long) 0)+1);
            }
            long sum1=0;
            // long b[] = new long[(int) n];
            ArrayList<Long>list=new ArrayList<>();
            for (int i = 0; i < m; i++) {
                list.add(inputLong());
                sum1+=list.get(i);
            }
            if(sum!=sum1){
                System.out.println("NO");continue;
            }
            boolean bool=true;
            while(!list.isEmpty()){
                long num=list.get(list.size()-1);
                if(map.containsKey(num)){
                    map.put(num,map.getOrDefault(num, (long) 0)-1);
                    list.remove(list.size()-1);
                    if(map.get(num)<=0){
                        map.remove(num);
                    }
                }else{
                    list.remove(list.size()-1);
                    if(num/2 ==0){bool=false;break;}
                    else if(ceil(num,2)==0){bool=false;break;}
                    list.add(num/2);
                    list.add(ceil1(num,2));
                }
                if(!bool)break;
            }
            if(!bool)System.out.println("NO");
            else System.out.println("YES");

        }
        bw.flush();
        bw.close();
    }

    public static long ceil1(long a, long b) {
        return (a + b - 1) / b;
    }


    public static boolean checker(long a[]) {
        for (int i = 0; i < a.length-1; i++) {
            if (a[i] > a[i+1])
                return false;
        }
        return true;
    }

    public static long divisor(long n) {
        long cnt = 0;
        for (long i = 1; i * i <= n; i++) {
            if (n % i == 0)
                cnt++;
            if ((n / i) % i == 0)
                cnt++;
        }
        return cnt;
    }

    public static long powerMod(long base, long exponent, long mod) {
        long result = 1;
        base = base % mod; // Ensure base is within the mod range

        while (exponent > 0) {
            // If exponent is odd, multiply base with result
            if ((exponent & 1) == 1) { // Same as (exponent % 2 != 0)
                result = (result * base) % mod;
            }
            // Now exponent must be even
            exponent = exponent >> 1; // Equivalent to exponent = exponent / 2
            base = (base * base) % mod; // Square the base
        }
        return result;
    }

    public static long sequence(long n) {
        if (n == 1)
            return 1;
        if (n % 2 == 0)
            return 1 + sequence(n / 2);
        else
            return 1 + sequence(3 * (n) + 1);
    }

    public static void matrix(int a[][], int b[][], int i, int j) {
        if (i >= a.length)
            return;
        if (j == a[0].length - 1) {
            System.out.println(a[i][j] + b[i][j]);
            matrix(a, b, i + 1, 0);
            return;
        }
        System.out.print(a[i][j] + b[i][j] + " ");
        matrix(a, b, i, j + 1);
    }

    public static boolean checker(String s) {
        String a = "1100";
        for (int i = 0; i < s.length() - 3; i++) {
            if (a.equals(s.substring(i, i + 4)))
                return true;
        }
        return false;
    }

    public static long ceil(long a, long b) {
        return (a + b - 1) / b;
    }

    public static int inputInt() throws IOException {
        return sc.nextInt();
    }

    public static long inputLong() throws IOException {
        return sc.nextLong();
    }

    public static double inputDouble() throws IOException {
        return sc.nextDouble();
    }

    public static String inputString() throws IOException {
        return sc.readLine();
    }

    public static void print(String a) throws IOException {
        bw.write(a);
    }

    public static void printSp(String a) throws IOException {
        bw.write(a + " ");
    }

    public static void println(String a) throws IOException {
        bw.write(a + "\n");
    }
}

Solution 2 (runtime: 702 ms):
import java.util.*;
import java.io.*;
 
public class cp {
    static class Datamax implements Comparable<Datamax>{
        int idx;
        int val;
        public Datamax(int val,int idx){
            this.idx = idx;
            this.val = val;
        }
        @Override
        public int compareTo(Datamax p1){
            if(this.val<p1.val) return 1;
            return -1;
        }
    }
    static class Circle{
        int x;
        int y;
        int radius;
        public Circle(int x,int y,int radius){
            this.x = x;
            this.y = y;
            this .radius = radius;
        }
    }
    // static class Edge {
    //     int dst;
    //     int dir;
    //     public Edge(int dst,int dir){
    //         this.dir = dir;
    //         this.dst = dst;
    //     }
    // }
    public static PP.Reader cs = new PP.Reader(System.in);
    // public static Scanner cs = new Scanner(System.in);
    public static BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
    public static void main(String[] args) throws IOException{
        int tests = cs.nextInt();
        while(tests>0){
            tests--;
            solve();
        }
        // writer.flush();
        writer.close();
    }
    public static long mod = (long)Math.pow(10,9) + 7;
    public static long MOD = 998244353;
    public static int netchange = 0;
    public static boolean poss;
    // public static int nodes = 0;
    public static void solve() throws IOException{
        // long it = cs.nextLong();
        // int n = (int)it;
        int n = cs.nextInt();
        int m = cs.nextInt();
        // int k = cs.nextInt();
        // long k = cs.nextLong();  
        // String str = cs.next();
        // String strb = cs.next();
        // long[] arr = new long[n];
        // long[] brr = new long[m];
        HashMap<Long,Integer> hm = new HashMap<>();
        for(int i = 0; i < n; i++){
            long temp = cs.nextLong();
            if(hm.containsKey(temp)) hm.put(temp,hm.get(temp)+1);
            else hm.put(temp,1);
        }
        boolean answer = true;
        for(int i = 0; i < m; i++){
            long temp = cs.nextLong();
            if(!check_existence(hm, temp)){
                answer = false;
            }
        } 
        if(!hm.isEmpty() || !answer) System.out.println("No");
        else System.out.println("Yes");
    }
    //Write fxn here     
    public static boolean check_existence(HashMap<Long,Integer> hm,long element){
        if(hm.containsKey(element)){
            if(hm.get(element) == 1) hm.remove(element);
            else hm.put(element,hm.get(element)-1);
            return true;
        }
        if(element == 1) return false;
        long first = element/2;
        long second = element/2;
        if(element%2 == 1) second++;
        return check_existence(hm,first) && check_existence(hm,second);
    }
    public static void dfs(ArrayList<ArrayList<Integer>> graph,int curr,int changed[]){
        for(Integer nb : graph.get(curr)){
            if(changed[nb] != 0){
                if(changed[nb] == changed[curr]) poss = false;
            }
            else{
                if(changed[curr] == 1) changed[nb] = -1;
                else changed[nb] = 1;
                netchange += changed[nb];
                dfs(graph,nb, changed);
            }
        }
    }
    public static  int binary(int[] arr,int start,int end,int key){
        int mid = (int)start;
        int st = start;
        int en = end;
        while(start<=end){
            mid = (int)(start+end)/2;
            if(arr[mid]==key) return mid;
            else if(arr[mid]>key) end = mid-1;
            else if(arr[mid]<key) start = mid+1;
        }
        //if(end<start){
            if(end<st) end++;
            // if(start>en) start--;
            // if(Math.abs(arr[end]-key)<=Math.abs(arr[start]-key-1)){
                // return start;
            // }
            return end;
        //}
        //return mid+1;
    }
    public static long invmod(long A, long M)
    {
 
        for (int X = 1; X < (int)M; X++)
            if (((A % M) * (X % M)) % M == 1)
                return X;
        return 1;
    } 
    public static long gcd(long a,long b){
        long c = Math.min(a,b);
        long d = Math.max(a,b);
        if(d%c==0) return c;
        return gcd(c,d%c);
    }
    public static long divmod(long a,long b,long m){   //claculate (a/b)%m
        // a = a%m;b = b%m  // Include if not working
        long inv =  powermod(b, m-2, m);
        return (inv*a)%m;
    }
    static long powermod(long x, long y, long p) //calculate (x^y)%p
    {
        long res = 1;
        x = x % p; 
        while (y > 0) {
            if ((y & 1) > 0)
                res = (res * x) % p;
            y = y >> 1; 
            x = (x * x) % p;
        }
        return res;
    }
}

class PP {
    static String IN = "%s";
    static String OUT = "%s";

    static class Reader {
        BufferedReader br;
        StringTokenizer st;

        Reader(InputStream is) {
            br = new BufferedReader(new InputStreamReader(is));
        }

        String next() {
            try {
                while (st == null || !st.hasMoreTokens())
                    st = new StringTokenizer(br.readLine());
                return st.nextToken();
            } catch (Exception ignored) {
            }
            return null;
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }
    }
}