Buggy python submission (verdict: Time Limit Exceeded):
def solve(A, m):
	if m==0:
		return True
	if len(A) == 0:
		return False
	if m < 0:
		return False
	else:
		return (solve(A[1:], m) or solve(A[1:], m-int(A[0])))


def main():
	n = int(input())
	A = input()
	A = A.split()
	q = int(input())
	ms= input()
	for m in ms.split():
		if solve(A, int(m)):
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Runtime Error):
def solve(A, m):
	if m == 0:
		return True
	if m<0 or len(m)==0:
	else:
		no_use = solve(A[1:], m-int(A[0]))
		if no_use:
			return True
		else:
			return (solve(A[1:], m))

def main():
	n = int(input())
	A = input()
	A = A.split()
	q = int(input())
	ms= input()
	for m in ms.split():
		if solve(A, int(m)):
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Runtime Error):
def solve(A, m):
	if m == 0:
		return True
	if m<0 or len(m)==0:
		return False
	else:
		no_use = solve(A[1:], m-int(A[0]))
		if no_use:
			return True
		else:
			return (solve(A[1:], m))

def main():
	n = int(input())
	A = input()
	A = A.split()
	q = int(input())
	ms= input()
	for m in ms.split():
		if solve(A, int(m)):
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Time Limit Exceeded):
def solve(A, m):
	if m == 0:
		return True
	if m<0 or len(A)==0:
		return False
	else:
		no_use = solve(A[1:], m-int(A[0]))
		if no_use:
			return True
		else:
			return (solve(A[1:], m))

def main():
	n = int(input())
	A = input()
	A = A.split()
	q = int(input())
	ms= input()
	for m in ms.split():
		if solve(A, int(m)):
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Time Limit Exceeded):
def solve(A, ms, flags):
	for i,m in enumerate(ms):
		if m==0:
			flags[i]=True
	if len(A)==0:
		return flags
	else:
		use = solve(A[1:], list(map(lambda x:x-A[0], ms)), flags)
		no_use = solve(A[1:], ms, flags)
		return list(map(lambda x,y:x or y, use, no_use))

def main():
	n = int(input())
	A = input()
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	m = list(map(int, m.split()))
	flags = [False for i in range(q)]
	for flag in solve(A, m, flags):
		if flag:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Time Limit Exceeded):

def solve(A, ms, flags):
	while 0 in ms:
		i = ms.index(0)
		flags[i]=True
		ms[i]=-1

	if len(A)==0:
		return flags
	else:
		use = solve(A[1:], list(map(lambda x:x-A[0], ms)), flags)
		no_use = solve(A[1:], ms, flags)
		return list(map(lambda x,y:x or y, use, no_use))

def main():
	n = int(input())
	A = input()
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	m = list(map(int, m.split()))
	flags = [False for i in range(q)]
	for flag in solve(A, m, flags):
		if flag:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Time Limit Exceeded):

def solve(A, ms, flags, index):
	now_ms = [m-A[0] for m in ms if m-A[0] >= 0]
	now_index = [i for i,m in zip(index, ms) if m-A[0] >= 0]
	while 0 in now_ms:
		i = now_ms.index(0)
		flags[now_index[i]]=True
		now_index.pop(i)
		now_ms.pop(i)
	
	if len(A)==1:
		return flags
	else:
		use = solve(A[1:], now_ms, flags, now_index)
		no_use = solve(A[1:], ms, flags, index)
		return list(map(lambda x,y:x or y, use, no_use))

def main():
	n = int(input())
	A = input()
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	m = list(map(int, m.split()))
	flags = [False for i in range(q)]
	index = list(range(q))
	for flag in solve(A, m, flags,index):
		if flag:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Buggy python submission (verdict: Time Limit Exceeded):
flags = None
ms = None

def solve(A, index, s):
	s += A[0]
	now_index = [i for i in index if ms[i]>=s and not flags[i]]
	for idx in now_index:
		if ms[idx] == s:
			flags[idx]=True
			now_index.remove(idx)

	if len(A) != 1:
		solve(A[1:], now_index, s)
		solve(A[1:], index, s-A[0])


def main():
	n = int(input())
	A = input()
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	global ms
	ms = list(map(int, m.split()))
	global flags
	flags = [False for i in range(q)]
	index = list(range(q))
	solve(A, index, 0)
	for flag in flags:
		if flag:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()

Fixed submission:
def power_set(A, s):
	if len(A) == 0:
		return {s}
	else:
		return power_set(A[1:], s) | power_set(A[1:], s+A[0])

def main():
	n = int(input())
	A = input()
	#print(n)
	A = list(map(int, A.split()))
	q = int(input())
	m = input()
	ms = list(map(int, m.split()))
	powerset = power_set(A, 0)
	
	for m in ms:
		if m in powerset:
			print('yes')
		else:
			print('no')

if __name__ == '__main__':
	main()