Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

N = int(input())
inputs = np.array(input().split(), dtype=np.uint8)
inputs = inputs[::-1]
boxes = np.zeros_like(inputs)
numbers = np.arange(1,  N+1)
M = 0
outputs = []

for i, a in enumerate(inputs):
    num = N - i
    if num > N / 2:
        if a == 1:
            M += 1
            outputs.append(num)
            boxes[num-1] = 1
    else:
        # idxs = np.arange(num,  N+1, num) - 1
        idxs = np.where(numbers % num == 0)[0]
        S = boxes[idxs].sum()
        if S % 2 != a:
            M += 1
            outputs.append(num)
            boxes[num-1] = 1
        # print(num, idxs+1, S, boxes)

print(M)
if M != 0:
    outputs.sort()
    outputs = [str(x) for x in outputs]
    print(' '.join(outputs))

Fixed submission:
import sys
import math  # noqa
import bisect  # noqa
import queue  # noqa


def input():
    return sys.stdin.readline().rstrip()


if __name__ == '__main__':
    N = int(input())
    A = list(map(int, input().split()))

    B = [0 for _ in range(N)]
    for i in range(N - 1, N // 2 - 1, -1):
        B[i] = A[i]
    for i in range(N // 2 - 1, -1, -1):
        res = 0
        for j in range(i, N, i + 1):
            res += B[j]
        if res % 2 == 0 and A[i] == 1:
            B[i] = 1
        elif res % 2 != 0 and A[i] == 0:
            B[i] = 1

    cnt = 0
    for b in B:
        if b == 1:
            cnt += 1
    print(cnt)
    if cnt > 0:
        res = [i + 1 for i, b in enumerate(B) if b != 0]
        print(*res)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

N = int(input())
inputs = np.array(input().split(), dtype=np.uint8)
inputs = inputs[::-1]
boxes = np.zeros_like(inputs)
M = 0
outputs = []

for i, a in enumerate(inputs):
    num = N - i
    if num > N / 2:
        if a == 1:
            M += 1
            outputs.append(num)
            boxes[num-1] = 1
    else:
        idxs = np.arange(num,  N+1, num) - 1
        S = boxes[idxs].sum()
        if S % 2 != a:
            M += 1
            outputs.append(num)
            boxes[num-1] = 1
        # print(num, idxs+1, S, boxes)

print(M)
if M != 0:
    outputs.sort()
    outputs = [str(x) for x in outputs]
    print(' '.join(outputs))

Fixed submission:
import sys
import math  # noqa
import bisect  # noqa
import queue  # noqa


def input():
    return sys.stdin.readline().rstrip()


if __name__ == '__main__':
    N = int(input())
    A = list(map(int, input().split()))

    B = [0 for _ in range(N)]
    for i in range(N - 1, N // 2 - 1, -1):
        B[i] = A[i]
    for i in range(N // 2 - 1, -1, -1):
        res = 0
        for j in range(i, N, i + 1):
            res += B[j]
        if res % 2 == 0 and A[i] == 1:
            B[i] = 1
        elif res % 2 != 0 and A[i] == 0:
            B[i] = 1

    cnt = 0
    for b in B:
        if b == 1:
            cnt += 1
    print(cnt)
    if cnt > 0:
        res = [i + 1 for i, b in enumerate(B) if b != 0]
        print(*res)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np


N = int(input())
inputs = np.array(input().split(), dtype=np.uint8)
inputs = inputs[::-1]
boxes = np.zeros_like(inputs)
M = 0
outputs = []

for i, a in enumerate(inputs):
    num = N - i
    idxs = np.arange(num,  N+1, num) - 1
    S = boxes[idxs].sum()
    if S % 2 != a:
        M += 1
        boxes[num-1] = 1
    # print(num, idxs+1, S, boxes)

print(M)
if M != 0:
    outputs = np.where(boxes == 1)[0] + 1
    outputs = [str(x) for x in outputs]
    print(' '.join(outputs))

Fixed submission:
import sys
import math  # noqa
import bisect  # noqa
import queue  # noqa


def input():
    return sys.stdin.readline().rstrip()


if __name__ == '__main__':
    N = int(input())
    A = list(map(int, input().split()))

    B = [0 for _ in range(N)]
    for i in range(N - 1, N // 2 - 1, -1):
        B[i] = A[i]
    for i in range(N // 2 - 1, -1, -1):
        res = 0
        for j in range(i, N, i + 1):
            res += B[j]
        if res % 2 == 0 and A[i] == 1:
            B[i] = 1
        elif res % 2 != 0 and A[i] == 0:
            B[i] = 1

    cnt = 0
    for b in B:
        if b == 1:
            cnt += 1
    print(cnt)
    if cnt > 0:
        res = [i + 1 for i, b in enumerate(B) if b != 0]
        print(*res)