Problem: 2061D - Kevin and Numbers
Language: PyPy 3-64

Previous submission (verdict: Time limit exceeded on test 26):
import itertools





standard_input, packages, output_together = 1, 1, 0

dfs, hashing, read_from_file = 0, 1, 0

de = 1



if 1:



    if standard_input:

        import io, os, sys



        input = lambda: sys.stdin.readline().strip()



        import math



        inf = math.inf





        def I():

            return input()





        def II():

            return int(input())





        def MII():

            return map(int, input().split())





        def LI():

            return list(input().split())





        def LII():

            return list(map(int, input().split()))





        def LFI():

            return list(map(float, input().split()))





        def GMI():

            return map(lambda x: int(x) - 1, input().split())





        def LGMI():

            return list(map(lambda x: int(x) - 1, input().split()))



    if packages:

        from io import BytesIO, IOBase



        import random

        import os



        import bisect

        import typing

        from collections import Counter, defaultdict, deque

        from copy import deepcopy

        from functools import cmp_to_key, lru_cache, reduce

        from heapq import merge, heapify, heappop, heappush, heappushpop, nlargest, nsmallest

        from itertools import accumulate, combinations, permutations, count, product

        from operator import add, iand, ior, itemgetter, mul, xor

        from string import ascii_lowercase, ascii_uppercase, ascii_letters, digits

        from typing import *



        BUFSIZE = 4096



    if output_together:

        class FastIO(IOBase):

            newlines = 0



            def __init__(self, file):

                self._fd = file.fileno()

                self.buffer = BytesIO()

                self.writable = "x" in file.mode or "r" not in file.mode

                self.write = self.buffer.write if self.writable else None



            def read(self):

                while True:

                    b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))

                    if not b:

                        break

                    ptr = self.buffer.tell()

                    self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)

                self.newlines = 0

                return self.buffer.read()



            def readline(self):

                while self.newlines == 0:

                    b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))

                    self.newlines = b.count(b"\n") + (not b)

                    ptr = self.buffer.tell()

                    self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)

                self.newlines -= 1

                return self.buffer.readline()



            def flush(self):

                if self.writable:

                    os.write(self._fd, self.buffer.getvalue())

                    self.buffer.truncate(0), self.buffer.seek(0)





        class IOWrapper(IOBase):

            def __init__(self, file):

                self.buffer = FastIO(file)

                self.flush = self.buffer.flush

                self.writable = self.buffer.writable

                self.write = lambda s: self.buffer.write(s.encode("ascii"))

                self.read = lambda: self.buffer.read().decode("ascii")

                self.readline = lambda: self.buffer.readline().decode("ascii")





        sys.stdout = IOWrapper(sys.stdout)



    if dfs:

        from types import GeneratorType





        def bootstrap(f, stk=[]):

            def wrappedfunc(*args, **kwargs):

                if stk:

                    return f(*args, **kwargs)

                else:

                    to = f(*args, **kwargs)

                    while True:

                        if type(to) is GeneratorType:

                            stk.append(to)

                            to = next(to)

                        else:

                            stk.pop()

                            if not stk:

                                break

                            to = stk[-1].send(to)

                    return to



            return wrappedfunc



    if hashing:

        RANDOM = random.getrandbits(20)





        class Wrapper(int):

            def __init__(self, x):

                int.__init__(x)



            def __hash__(self):

                return super(Wrapper, self).__hash__() ^ RANDOM



    if read_from_file:

        file = open("input.txt", "r").readline().strip()[1:-1]

        fin = open(file, 'r')

        input = lambda: fin.readline().strip()

        output_file = open("output.txt", "w")





        def fprint(*args, **kwargs):

            print(*args, **kwargs, file=output_file)



    if de:

        def debug(*args, **kwargs):

            print('\033[92m', end='')

            print(*args, **kwargs)

            print('\033[0m', end='')



    fmax = lambda x, y: x if x > y else y

    fmin = lambda x, y: x if x < y else y





    class lst_lst:

        def __init__(self, n) -> None:

            self.n = n

            self.pre = []

            self.cur = []

            self.lst = [-1] * n



        def append(self, i, j):

            self.pre.append(self.lst[i])

            self.lst[i] = len(self.cur)

            self.cur.append(j)



        def iterate(self, i):

            tmp = self.lst[i]

            while tmp != -1:

                yield self.cur[tmp]

                tmp = self.pre[tmp]



fmax = lambda x, y: x if x > y else y

fmin = lambda x, y: x if x < y else y



t = II()

for _ in range(t):

	x,y = MII()

	a = LII()



	C = {}

	for e in a:

		C[e] = C[e]+1 if e in C else 1

 

	b = LII()

	if sum(a)^sum(b): print("NO"); continue

 

	flag = 1

	while b:

		e = b.pop()

		if e in C:

			C[e] -= 1

			if C[e] == 0: del C[e]

			continue

		

		if e == 1: flag = 0; break

		b.append( e//2 )

		b.append( (e+1)//2 )

	

	print( "YES" if flag else "NO" )

            

    



Submission (verdict: Time limit exceeded on test 26):
import random

for _ in range(int(input())):

	x,y = [int(t) for t in input().split()]

	a = [int(t) for t in input().split()]



	C = {}

	for e in a:

		C[e] = C[e]+1 if e in C else 1



	b = [int(t) for t in input().split()]

	if sum(a)^sum(b): print("NO"); continue



	flag = 1

	while b:

		e = b.pop()

		if e in C:

			C[e] -= 1

			if C[e] == 0: del C[e]

			continue

		

		if e == 1: flag = 0; break

		b.append( e//2 )

		b.append( (e+1)//2 )

	

	print( "YES" if flag else "NO" )