Problem: 2061D - Kevin and Numbers
Language: java

Solution 1 (runtime: 1249 ms):
import java.lang.*;
import java.util.*;
public class cf {
  public static final int mod = 998244353;
  public static void main(String []args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    List<String> ans = new ArrayList<>();
    for (int i = 0; i < n; i++) {
      int a = sc.nextInt();
      int b = sc.nextInt();
      int[] arr1 = new int[a];
      int[] arr2 = new int[b];
      for (int j = 0; j < a; j++) arr1[j] = sc.nextInt();
      for (int j = 0; j < b; j++) arr2[j] = sc.nextInt();
      if (gScore(arr1, arr2)) ans.add("Yes");
      else ans.add("No");
    }

    for (String i : ans) System.out.println(i);
  }

  public static boolean gScore(int[] a, int[] b) {
    PriorityQueue<Long> pq1 = new PriorityQueue<>((o1, o2) -> Long.compare(o2, o1));
    PriorityQueue<Long> pq2 = new PriorityQueue<>((o1, o2) -> Long.compare(o2, o1));
    for (int x : a) pq1.offer((long)x);
    for (int x : b) pq2.offer((long)x);
    while (!pq1.isEmpty() || !pq2.isEmpty()) {
      if (pq1.size() < pq2.size()) return false;
      if (pq1.isEmpty() || pq2.isEmpty()) return false;
      if (Objects.equals(pq1.peek(), pq2.peek())){
        pq1.poll();
        pq2.poll();
      }
      else {
        long x = pq2.poll();
        long x1 = x / 2;
        long x2 = x / 2 + x % 2;
        pq2.offer(x1);
        pq2.offer(x2);
      }
    }
    return true;
  }
}


Solution 2 (runtime: 890 ms):
import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) {
        FastReader in = new FastReader();
        PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out));
        int t = in.nextInt();
        while (t-- > 0) {
            int n = in.nextInt(), m = in.nextInt();
            long sumA = 0;
            HashMap<Long, Long> freqA = new HashMap<>();
            long[] a = new long[n];
            for (int i = 0; i < n; i++) {
                a[i] = in.nextLong();
                sumA += a[i];
                freqA.put(a[i], freqA.getOrDefault(a[i], 0L) + 1);
            }
            long sumB = 0;
            long[] b = new long[m];
            for (int i = 0; i < m; i++) {
                b[i] = in.nextLong();
                sumB += b[i];
            }
            if (sumA != sumB) {
                out.println("No");
                continue;
            }
            if (n == m) {
                HashMap<Long, Long> freqB = new HashMap<>();
                for (long x : b)
                    freqB.put(x, freqB.getOrDefault(x, 0L) + 1);
                out.println(freqA.equals(freqB) ? "Yes" : "No");
                continue;
            }
            TreeMap<Long, Long> mp = new TreeMap<>(Collections.reverseOrder());
            for (long x : b)
                mp.put(x, mp.getOrDefault(x, 0L) + 1);
            boolean ok = true;
            while (!mp.isEmpty()) {
                long cur = mp.firstKey();
                long cnt = mp.get(cur);
                mp.remove(cur);
                if (freqA.containsKey(cur)) {
                    long used = Math.min(freqA.get(cur), cnt);
                    cnt -= used;
                    long left = freqA.get(cur) - used;
                    if (left == 0)
                        freqA.remove(cur);
                    else
                        freqA.put(cur, left);
                }
                if (cnt > 0) {
                    if (cur == 1) {
                        ok = false;
                        break;
                    }
                    long left = cur / 2;
                    long right = (cur + 1) / 2;
                    mp.put(left, mp.getOrDefault(left, 0L) + cnt);
                    mp.put(right, mp.getOrDefault(right, 0L) + cnt);
                }
            }
            out.println(ok && freqA.isEmpty() ? "Yes" : "No");
        }
        out.close();
    }
    
    static class FastReader {
        BufferedReader br;
        StringTokenizer st;
        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }
        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
        int nextInt() { return Integer.parseInt(next()); }
        long nextLong() { return Long.parseLong(next()); }
        double nextDouble() { return Double.parseDouble(next()); }
        String nextLine() {
            String str = "";
            try { str = br.readLine(); } catch (IOException e) { e.printStackTrace(); }
            return str;
        }
    }
}